12182513864 has 16 divisors (see below), whose sum is σ = 22843385100. Its totient is φ = 6090944512.

The previous prime is 12182513857. The next prime is 12182513869. The reversal of 12182513864 is 46831528121.

It can be written as a sum of positive squares in 2 ways, for example, as 11498272900 + 684240964 = 107230^2 + 26158^2 .

It is not an unprimeable number, because it can be changed into a prime (12182513869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279944 + ... + 320520.

Almost surely, 2^12182513864 is an apocalyptic number.

It is an amenable number.

12182513864 is a deficient number, since it is larger than the sum of its proper divisors (10660871236).

12182513864 is a wasteful number, since it uses less digits than its factorization.

12182513864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78112 (or 78108 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The spelling of 12182513864 in words is "twelve billion, one hundred eighty-two million, five hundred thirteen thousand, eight hundred sixty-four".