312333212112112 has 20 divisors (see below), whose sum is σ = 605610737322696. Its totient is φ = 156046570222400.

The previous prime is 312333212112073. The next prime is 312333212112121. The reversal of 312333212112112 is 211211212333213.

It is a super-2 number, since 2×312333212112112² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502218138 + ... + 7502259769.

Almost surely, 2^{312333212112112} is an apocalyptic number.

It is an amenable number.

312333212112112 is a deficient number, since it is larger than the sum of its proper divisors (293277525210584).

312333212112112 is a wasteful number, since it uses less digits than its factorization.

312333212112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004479216 (or 15004479210 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

Adding to 312333212112112 its reverse (211211212333213), we get a palindrome (523544424445325).

The spelling of 312333212112112 in words is "three hundred twelve trillion, three hundred thirty-three billion, two hundred twelve million, one hundred twelve thousand, one hundred twelve".