12699090524 has 12 divisors (see below), whose sum is σ = 22237565448. Its totient is φ = 6345500400.

The previous prime is 12699090479. The next prime is 12699090527. The reversal of 12699090524 is 42509099621.

It is a happy number.

It is a super-2 number, since 2×12699090524² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699090527) 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, 1004147 + ... + 1016714.

It is an arithmetic number, because the mean of its divisors is an integer number (1853130454).

Almost surely, 2^12699090524 is an apocalyptic number.

It is an amenable number.

12699090524 is a deficient number, since it is larger than the sum of its proper divisors (9538474924).

12699090524 is a wasteful number, since it uses less digits than its factorization.

12699090524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022436 (or 2022434 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 12699090524 in words is "twelve billion, six hundred ninety-nine million, ninety thousand, five hundred twenty-four".