12518476996 has 27 divisors (see below), whose sum is σ = 22445908653. Its totient is φ = 6108975600.

The previous prime is 12518476991. The next prime is 12518477021. The reversal of 12518476996 is 69967481521.

The square root of 12518476996 is 111886.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19236996 + 12499240000 = 4386^2 + 111800^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12518476996.

It is not an unprimeable number, because it can be changed into a prime (12518476991) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9621546 + ... + 9622846.

Almost surely, 2^12518476996 is an apocalyptic number.

12518476996 is the 111886-th square number.

It is an amenable number.

12518476996 is a deficient number, since it is larger than the sum of its proper divisors (9927431657).

12518476996 is an frugal number, since it uses more digits than its factorization.

12518476996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 1346 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 12518476996 in words is "twelve billion, five hundred eighteen million, four hundred seventy-six thousand, nine hundred ninety-six".