318788870412 has 24 divisors (see below), whose sum is σ = 752802636096. Its totient is φ = 104982679888.

The previous prime is 318788870353. The next prime is 318788870443. The reversal of 318788870412 is 214078887813.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160033578 + ... + 160035569.

It is an arithmetic number, because the mean of its divisors is an integer number (31366776504).

Almost surely, 2^318788870412 is an apocalyptic number.

It is an amenable number.

318788870412 is an abundant number, since it is smaller than the sum of its proper divisors (434013765684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318788870412 is a wasteful number, since it uses less digits than its factorization.

318788870412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320069237 (or 320069235 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 57.

The spelling of 318788870412 in words is "three hundred eighteen billion, seven hundred eighty-eight million, eight hundred seventy thousand, four hundred twelve".