12501387625 has 16 divisors (see below), whose sum is σ = 15834604032. Its totient is φ = 9851833200.

The previous prime is 12501387623. The next prime is 12501387643. The reversal of 12501387625 is 52678310521.

It is not a de Polignac number, because 12501387625 - 2¹ = 12501387623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12501387623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737977 + ... + 754726.

It is an arithmetic number, because the mean of its divisors is an integer number (989662752).

Almost surely, 2^12501387625 is an apocalyptic number.

It is an amenable number.

12501387625 is a deficient number, since it is larger than the sum of its proper divisors (3333216407).

12501387625 is an equidigital number, since it uses as much as digits as its factorization.

12501387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492785 (or 1492775 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 12501387625 in words is "twelve billion, five hundred one million, three hundred eighty-seven thousand, six hundred twenty-five".