12520627724 has 48 divisors (see below), whose sum is σ = 24542856576. Its totient is φ = 5539497600.

The previous prime is 12520627681. The next prime is 12520627781. The reversal of 12520627724 is 42772602521.

It is a happy number.

It is a super-2 number, since 2×12520627724² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791339 + ... + 807005.

It is an arithmetic number, because the mean of its divisors is an integer number (511309512).

Almost surely, 2^12520627724 is an apocalyptic number.

It is an amenable number.

12520627724 is a deficient number, since it is larger than the sum of its proper divisors (12022228852).

12520627724 is a wasteful number, since it uses less digits than its factorization.

12520627724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166 (or 16164 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 12520627724 in words is "twelve billion, five hundred twenty million, six hundred twenty-seven thousand, seven hundred twenty-four".