It is 12.25, exactly as in the question.
1225 when you multiply a number by ten, move the decimal point one place to the right
1.225
12/25 = 0.48
4.225
35*35 = 1225
Take the square root of 1225, which is 35.
5
5 x 5 x 7 x 7 = 1225
1225 = 352.
The number 1225 is "one thousand two hundred twenty-five." The year 1225 AD is "twelve twenty-five."
1 x 5 x 7 x 35
All multiples of 1,225 which is an infinite number.