12057645975 has 24 divisors (see below), whose sum is σ = 19944058320. Its totient is φ = 6427921920.

The previous prime is 12057645967. The next prime is 12057645997. The reversal of 12057645975 is 57954675021.

It is not a de Polignac number, because 12057645975 - 2³ = 12057645967 is a prime.

It is a congruent 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, 142671 + ... + 210879.

It is an arithmetic number, because the mean of its divisors is an integer number (831002430).

Almost surely, 2^12057645975 is an apocalyptic number.

12057645975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12057645975 is a deficient number, since it is larger than the sum of its proper divisors (7886412345).

12057645975 is a wasteful number, since it uses less digits than its factorization.

12057645975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70579 (or 70574 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 12057645975 in words is "twelve billion, fifty-seven million, six hundred forty-five thousand, nine hundred seventy-five".