312322313422212 has 12 divisors (see below), whose sum is σ = 728752064651856. Its totient is φ = 104107437807400.

The previous prime is 312322313422177. The next prime is 312322313422283. The reversal of 312322313422212 is 212224313223213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×312322313422212² (a number of 30 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13013429725914 + ... + 13013429725937.

It is an arithmetic number, because the mean of its divisors is an integer number (60729338720988).

Almost surely, 2^{312322313422212} is an apocalyptic number.

It is an amenable number.

312322313422212 is an abundant number, since it is smaller than the sum of its proper divisors (416429751229644).

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

312322313422212 is a wasteful number, since it uses less digits than its factorization.

312322313422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26026859451858 (or 26026859451856 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 312322313422212 its reverse (212224313223213), we get a palindrome (524546626645425).

The spelling of 312322313422212 in words is "three hundred twelve trillion, three hundred twenty-two billion, three hundred thirteen million, four hundred twenty-two thousand, two hundred twelve".