12257137025 has 24 divisors (see below), whose sum is σ = 18284335680. Its totient is φ = 7962528960.

The previous prime is 12257136973. The next prime is 12257137103. The reversal of 12257137025 is 52073175221.

It is not a de Polignac number, because 12257137025 - 2⁸ = 12257136769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1839854 + ... + 1846503.

It is an arithmetic number, because the mean of its divisors is an integer number (761847320).

Almost surely, 2^12257137025 is an apocalyptic number.

It is an amenable number.

12257137025 is a deficient number, since it is larger than the sum of its proper divisors (6027198655).

12257137025 is a wasteful number, since it uses less digits than its factorization.

12257137025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686393 (or 3686388 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 12257137025 in words is "twelve billion, two hundred fifty-seven million, one hundred thirty-seven thousand, twenty-five".