312132211042212 has 144 divisors (see below), whose sum is σ = 869681437707264. Its totient is φ = 93601827072000.

The previous prime is 312132211042199. The next prime is 312132211042261. The reversal of 312132211042212 is 212240112231213.

312132211042212 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 3 + 221 + 1 + 0 + 422 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 424892262 + ... + 425626242.

Almost surely, 2^{312132211042212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312132211042212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434840718853632).

312132211042212 is an abundant number, since it is smaller than the sum of its proper divisors (557549226665052).

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

312132211042212 is a wasteful number, since it uses less digits than its factorization.

312132211042212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745170 (or 745165 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 312132211042212 its reverse (212240112231213), we get a palindrome (524372323273425).

The spelling of 312132211042212 in words is "three hundred twelve trillion, one hundred thirty-two billion, two hundred eleven million, forty-two thousand, two hundred twelve".