12664738075 has 12 divisors (see below), whose sum is σ = 17131936968. Its totient is φ = 9210718400.

The previous prime is 12664738063. The next prime is 12664738127. The reversal of 12664738075 is 57083746621.

It is not a de Polignac number, because 12664738075 - 2⁷ = 12664737947 is a prime.

It is a Duffinian number.

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, 23026522 + ... + 23027071.

It is an arithmetic number, because the mean of its divisors is an integer number (1427661414).

Almost surely, 2^12664738075 is an apocalyptic number.

12664738075 is a deficient number, since it is larger than the sum of its proper divisors (4467198893).

12664738075 is a wasteful number, since it uses less digits than its factorization.

12664738075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46053614 (or 46053609 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 12664738075 in words is "twelve billion, six hundred sixty-four million, seven hundred thirty-eight thousand, seventy-five".