312322122112212 has 36 divisors (see below), whose sum is σ = 818720953852256. Its totient is φ = 104107374037080.

The previous prime is 312322122112181. The next prime is 312322122112237. The reversal of 312322122112212 is 212211221223213.

312322122112212 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 221 + 2 + 211 + 221 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160659526864 + ... + 160659528807.

Almost surely, 2^{312322122112212} is an apocalyptic number.

It is an amenable number.

312322122112212 is an abundant number, since it is smaller than the sum of its proper divisors (506398831740044).

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

312322122112212 is a wasteful number, since it uses less digits than its factorization.

312322122112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321319055690 (or 321319055676 counting only the distinct ones).

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

Adding to 312322122112212 its reverse (212211221223213), we get a palindrome (524533343335425).

The spelling of 312322122112212 in words is "three hundred twelve trillion, three hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twelve".