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Either a one followed by 12 zeroes, or a one followed by 18 zeroes. There are these two different definitions, but the first one is more common in English-speaking countries.

Q: How do you write one trillon as a number?

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It is: 3,000,000,000,000

Trillon, no. Trillion, yes.Million 10^6Billion 10^9Trillion 10^12

Twenty-five.

80 trillion is the answer, because if you look at it for a long time you will see all the zeros.

9,000,000,000,000,000,

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It is: 3,000,000,000,000

1,000 trillon in standard form is 1.0 × 1015

One hundred unvigintillion.

9,000,000,000,000

Trillon, no. Trillion, yes.Million 10^6Billion 10^9Trillion 10^12

a number

3.65 x 1012

Twenty-five.

one light year

* *

It is 3333.33... repeating.

10 trillion is: 10,000,000,000,000 100 trillion is: 100,000,000,000,000