12313504978 has 8 divisors (see below), whose sum is σ = 19066072320. Its totient is φ = 5958147540.

The previous prime is 12313504939. The next prime is 12313505011. The reversal of 12313504978 is 87940531321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99302398 + ... + 99302521.

It is an arithmetic number, because the mean of its divisors is an integer number (2383259040).

Almost surely, 2^12313504978 is an apocalyptic number.

12313504978 is a deficient number, since it is larger than the sum of its proper divisors (6752567342).

12313504978 is a wasteful number, since it uses less digits than its factorization.

12313504978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198604952.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 12313504978 in words is "twelve billion, three hundred thirteen million, five hundred four thousand, nine hundred seventy-eight".