12257075425 has 12 divisors (see below), whose sum is σ = 17370027136. Its totient is φ = 8404851600.

The previous prime is 12257075357. The next prime is 12257075447. The reversal of 12257075425 is 52457075221.

It is not a de Polignac number, because 12257075425 - 2²⁵ = 12223520993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35020041 + ... + 35020390.

Almost surely, 2^12257075425 is an apocalyptic number.

It is an amenable number.

12257075425 is a deficient number, since it is larger than the sum of its proper divisors (5112951711).

12257075425 is an equidigital number, since it uses as much as digits as its factorization.

12257075425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70040448 (or 70040443 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 12257075425 in words is "twelve billion, two hundred fifty-seven million, seventy-five thousand, four hundred twenty-five".