512312912 has 20 divisors (see below), whose sum is σ = 998700960. Its totient is φ = 254583648.

The previous prime is 512312909. The next prime is 512312923. The reversal of 512312912 is 219213215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95612 + ... + 100827.

It is an arithmetic number, because the mean of its divisors is an integer number (49935048).

Almost surely, 2^512312912 is an apocalyptic number.

It is an amenable number.

512312912 is a deficient number, since it is larger than the sum of its proper divisors (486388048).

512312912 is a wasteful number, since it uses less digits than its factorization.

512312912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196610 (or 196604 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 512312912 is about 22634.3303855007. The cubic root of 512312912 is about 800.1629418102.

The spelling of 512312912 in words is "five hundred twelve million, three hundred twelve thousand, nine hundred twelve".