12604179081 has 16 divisors (see below), whose sum is σ = 18483381504. Its totient is φ = 7591386624.

The previous prime is 12604179073. The next prime is 12604179157. The reversal of 12604179081 is 18097140621.

It is not a de Polignac number, because 12604179081 - 2³ = 12604179073 is a prime.

It is a super-2 number, since 2×12604179081² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12604179001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436296 + ... + 3439961.

It is an arithmetic number, because the mean of its divisors is an integer number (1155211344).

Almost surely, 2^12604179081 is an apocalyptic number.

It is an amenable number.

12604179081 is a deficient number, since it is larger than the sum of its proper divisors (5879202423).

12604179081 is a wasteful number, since it uses less digits than its factorization.

12604179081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876320.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 12604179081 in words is "twelve billion, six hundred four million, one hundred seventy-nine thousand, eighty-one".