You write it: twelve
You write the number in words >:D
Write out the number 32 as thirty two (in words).
The number 90 is written out in words as such: ninety. You should spell out a number rather than write it in number form in particular scenarios, such as if you are beginning a sentence with a number.
two hundred fourteen thousand, one hundred and thirty five
I would write 18,000,000 as eighteen million
Point two two five seven is in words. It is written because after decimal we write each number as single number.