12365795979 has 24 divisors (see below), whose sum is σ = 18001729200. Its totient is φ = 8179315200.

The previous prime is 12365795957. The next prime is 12365796019. The reversal of 12365795979 is 97959756321.

12365795979 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 579 + 59 + 7 + 9 = 666.

It is not a de Polignac number, because 12365795979 - 2⁷ = 12365795851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12365795179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3502287 + ... + 3505815.

It is an arithmetic number, because the mean of its divisors is an integer number (750072050).

Almost surely, 2^12365795979 is an apocalyptic number.

12365795979 is a deficient number, since it is larger than the sum of its proper divisors (5635933221).

12365795979 is a wasteful number, since it uses less digits than its factorization.

12365795979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475 (or 6472 counting only the distinct ones).

The product of its digits is 32148900, while the sum is 63.

The spelling of 12365795979 in words is "twelve billion, three hundred sixty-five million, seven hundred ninety-five thousand, nine hundred seventy-nine".