12579099507 has 24 divisors (see below), whose sum is σ = 19586876400. Its totient is φ = 7733314368.

The previous prime is 12579099503. The next prime is 12579099517. The reversal of 12579099507 is 70599097521.

12579099507 is a `hidden beast` number, since 12 + 579 + 0 + 9 + 9 + 50 + 7 = 666.

It is not a de Polignac number, because 12579099507 - 2² = 12579099503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12579099503) 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, 66469 + ... + 171977.

It is an arithmetic number, because the mean of its divisors is an integer number (816119850).

Almost surely, 2^12579099507 is an apocalyptic number.

12579099507 is a deficient number, since it is larger than the sum of its proper divisors (7007776893).

12579099507 is a wasteful number, since it uses less digits than its factorization.

12579099507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106547 (or 106544 counting only the distinct ones).

The product of its (nonzero) digits is 1786050, while the sum is 54.

The spelling of 12579099507 in words is "twelve billion, five hundred seventy-nine million, ninety-nine thousand, five hundred seven".