12800938918 has 8 divisors (see below), whose sum is σ = 19209493512. Its totient is φ = 6397774416.

The previous prime is 12800938907. The next prime is 12800938933. The reversal of 12800938918 is 81983900821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341580 + ... + 1351087.

It is an arithmetic number, because the mean of its divisors is an integer number (2401186689).

Almost surely, 2^12800938918 is an apocalyptic number.

12800938918 is a deficient number, since it is larger than the sum of its proper divisors (6408554594).

12800938918 is a wasteful number, since it uses less digits than its factorization.

12800938918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695046.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 12800938918 in words is "twelve billion, eight hundred million, nine hundred thirty-eight thousand, nine hundred eighteen".