312122332112 has 40 divisors (see below), whose sum is σ = 614652504960. Its totient is φ = 153522403200.

The previous prime is 312122332103. The next prime is 312122332129. The reversal of 312122332112 is 211233221213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378287 + ... + 875982.

It is an arithmetic number, because the mean of its divisors is an integer number (15366312624).

Almost surely, 2^312122332112 is an apocalyptic number.

It is an amenable number.

312122332112 is a deficient number, since it is larger than the sum of its proper divisors (302530172848).

312122332112 is a wasteful number, since it uses less digits than its factorization.

312122332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254531 (or 1254525 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 312122332112 its reverse (211233221213), we get a palindrome (523355553325).

The spelling of 312122332112 in words is "three hundred twelve billion, one hundred twenty-two million, three hundred thirty-two thousand, one hundred twelve".