12507676225 has 18 divisors (see below), whose sum is σ = 17047656710. Its totient is φ = 9096489600.

The previous prime is 12507676201. The next prime is 12507676229. The reversal of 12507676225 is 52267670521.

It can be written as a sum of positive squares in 3 ways, for example, as 2022121024 + 10485555201 = 44968^2 + 102399^2 .

It is not a de Polignac number, because 12507676225 - 2¹⁵ = 12507643457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12507676229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2064360 + ... + 2070409.

Almost surely, 2^12507676225 is an apocalyptic number.

It is an amenable number.

12507676225 is a deficient number, since it is larger than the sum of its proper divisors (4539980485).

12507676225 is a wasteful number, since it uses less digits than its factorization.

12507676225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134801 (or 4134785 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 12507676225 in words is "twelve billion, five hundred seven million, six hundred seventy-six thousand, two hundred twenty-five".