12107704257 has 32 divisors (see below), whose sum is σ = 19640880000. Its totient is φ = 7310675520.

The previous prime is 12107704253. The next prime is 12107704327. The reversal of 12107704257 is 75240770121.

It is not a de Polignac number, because 12107704257 - 2² = 12107704253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12107704253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4119 + ... + 155667.

It is an arithmetic number, because the mean of its divisors is an integer number (613777500).

Almost surely, 2^12107704257 is an apocalyptic number.

It is an amenable number.

12107704257 is a deficient number, since it is larger than the sum of its proper divisors (7533175743).

12107704257 is a wasteful number, since it uses less digits than its factorization.

12107704257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151838 (or 151832 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 12107704257 in words is "twelve billion, one hundred seven million, seven hundred four thousand, two hundred fifty-seven".