312333020423222 has 48 divisors (see below), whose sum is σ = 478489466257200. Its totient is φ = 152893810169856.

The previous prime is 312333020423191. The next prime is 312333020423257. The reversal of 312333020423222 is 222324020333213.

It is a happy number.

It is a super-2 number, since 2×312333020423222² (a number of 30 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 (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11908822073 + ... + 11908848299.

It is an arithmetic number, because the mean of its divisors is an integer number (9968530547025).

Almost surely, 2^{312333020423222} is an apocalyptic number.

312333020423222 is a deficient number, since it is larger than the sum of its proper divisors (166156445833978).

312333020423222 is a wasteful number, since it uses less digits than its factorization.

312333020423222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34157 (or 34074 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 312333020423222 its reverse (222324020333213), we get a palindrome (534657040756435).

Subtracting from 312333020423222 its reverse (222324020333213), we obtain a palindrome (90009000090009).

The spelling of 312333020423222 in words is "three hundred twelve trillion, three hundred thirty-three billion, twenty million, four hundred twenty-three thousand, two hundred twenty-two".