312299512 has 16 divisors (see below), whose sum is σ = 669213360. Its totient is φ = 133842624.

The previous prime is 312299489. The next prime is 312299527. The reversal of 312299512 is 215992213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2788333 + ... + 2788444.

It is an arithmetic number, because the mean of its divisors is an integer number (41825835).

Almost surely, 2^312299512 is an apocalyptic number.

It is an amenable number.

312299512 is an abundant number, since it is smaller than the sum of its proper divisors (356913848).

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

312299512 is a wasteful number, since it uses less digits than its factorization.

312299512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576790 (or 5576786 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 312299512 is about 17671.9979628790. The cubic root of 312299512 is about 678.4592509270.

The spelling of 312299512 in words is "three hundred twelve million, two hundred ninety-nine thousand, five hundred twelve".