12512500137625 has 16 divisors (see below), whose sum is σ = 15694867208592. Its totient is φ = 9959187907200.

The previous prime is 12512500137517. The next prime is 12512500137701. The reversal of 12512500137625 is 52673100521521.

It can be written as a sum of positive squares in 8 ways, for example, as 4643667276889 + 7868832860736 = 2154917^2 + 2805144^2 .

It is not a de Polignac number, because 12512500137625 - 2⁹ = 12512500137113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254036292 + ... + 254085541.

It is an arithmetic number, because the mean of its divisors is an integer number (980929200537).

Almost surely, 2^{12512500137625} is an apocalyptic number.

It is an amenable number.

12512500137625 is a deficient number, since it is larger than the sum of its proper divisors (3182367070967).

12512500137625 is an equidigital number, since it uses as much as digits as its factorization.

12512500137625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508122045 (or 508122035 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 12512500137625 in words is "twelve trillion, five hundred twelve billion, five hundred million, one hundred thirty-seven thousand, six hundred twenty-five".