12413558816 has 12 divisors (see below), whose sum is σ = 24439193982. Its totient is φ = 6206779392.

The previous prime is 12413558783. The next prime is 12413558851. The reversal of 12413558816 is 61885531421.

It can be written as a sum of positive squares in only one way, i.e., 6577210000 + 5836348816 = 81100^2 + 76396^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193961825 + ... + 193961888.

Almost surely, 2^12413558816 is an apocalyptic number.

12413558816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12413558816 is a deficient number, since it is larger than the sum of its proper divisors (12025635166).

12413558816 is an equidigital number, since it uses as much as digits as its factorization.

12413558816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387923723 (or 387923715 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The spelling of 12413558816 in words is "twelve billion, four hundred thirteen million, five hundred fifty-eight thousand, eight hundred sixteen".