312129204 has 48 divisors (see below), whose sum is σ = 777745920. Its totient is φ = 97211520.

The previous prime is 312129199. The next prime is 312129229. The reversal of 312129204 is 402921213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679 + ... + 25254.

It is an arithmetic number, because the mean of its divisors is an integer number (16203040).

Almost surely, 2^312129204 is an apocalyptic number.

It is an amenable number.

312129204 is an abundant number, since it is smaller than the sum of its proper divisors (465616716).

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

312129204 is a wasteful number, since it uses less digits than its factorization.

312129204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29000 (or 28998 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 312129204 is about 17667.1787221390. The cubic root of 312129204 is about 678.3358992042.

The spelling of 312129204 in words is "three hundred twelve million, one hundred twenty-nine thousand, two hundred four".