12513077224 has 16 divisors (see below), whose sum is σ = 23464409220. Its totient is φ = 6255901440.

The previous prime is 12513077207. The next prime is 12513077231. The reversal of 12513077224 is 42277031521.

It can be written as a sum of positive squares in 2 ways, for example, as 11560120324 + 952956900 = 107518^2 + 30870^2 .

It is a super-2 number, since 2×12513077224² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12513077224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9714 + ... + 158494.

Almost surely, 2^12513077224 is an apocalyptic number.

It is an amenable number.

12513077224 is a deficient number, since it is larger than the sum of its proper divisors (10951331996).

12513077224 is a wasteful number, since it uses less digits than its factorization.

12513077224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159300 (or 159296 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 12513077224 in words is "twelve billion, five hundred thirteen million, seventy-seven thousand, two hundred twenty-four".