312333333212 has 12 divisors (see below), whose sum is σ = 546593487720. Its totient is φ = 156163765296.

The previous prime is 312333333209. The next prime is 312333333229. The reversal of 312333333212 is 212333333213.

It is a super-2 number, since 2×312333333212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 473387 + ... + 921282.

It is an arithmetic number, because the mean of its divisors is an integer number (45549457310).

Almost surely, 2^312333333212 is an apocalyptic number.

It is an amenable number.

312333333212 is a deficient number, since it is larger than the sum of its proper divisors (234260154508).

312333333212 is a wasteful number, since it uses less digits than its factorization.

312333333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450660 (or 1450658 counting only the distinct ones).

The product of its digits is 17496, while the sum is 29.

Adding to 312333333212 its reverse (212333333213), we get a palindrome (524666666425).

Subtracting from 312333333212 its reverse (212333333213), we obtain a palindrome (99999999999).

The spelling of 312333333212 in words is "three hundred twelve billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred twelve".