312132212000 has 96 divisors (see below), whose sum is σ = 876467329920. Its totient is φ = 107016748800.

The previous prime is 312132211991. The next prime is 312132212081. The reversal of 312132212000 is 212231213.

It is a self number, because there is not a number n which added to its sum of digits gives 312132212000.

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, 5545790 + ... + 5601789.

It is an arithmetic number, because the mean of its divisors is an integer number (9129868020).

Almost surely, 2^312132212000 is an apocalyptic number.

It is an amenable number.

312132212000 is an abundant number, since it is smaller than the sum of its proper divisors (564335117920).

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

312132212000 is a wasteful number, since it uses less digits than its factorization.

312132212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147611 (or 11147593 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312132212000 its reverse (212231213), we get a palindrome (312344443213).

The spelling of 312132212000 in words is "three hundred twelve billion, one hundred thirty-two million, two hundred twelve thousand".