312211333122 has 32 divisors (see below), whose sum is σ = 676434232320. Its totient is φ = 96065021520.

The previous prime is 312211333097. The next prime is 312211333157. The reversal of 312211333122 is 221333112213.

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

It is a junction number, because it is equal to n+sod(n) for n = 312211333092 and 312211333101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11829154 + ... + 11855517.

It is an arithmetic number, because the mean of its divisors is an integer number (21138569760).

Almost surely, 2^312211333122 is an apocalyptic number.

312211333122 is an abundant number, since it is smaller than the sum of its proper divisors (364222899198).

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

312211333122 is a wasteful number, since it uses less digits than its factorization.

312211333122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23684715 (or 23684689 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 312211333122 its reverse (221333112213), we get a palindrome (533544445335).

The spelling of 312211333122 in words is "three hundred twelve billion, two hundred eleven million, three hundred thirty-three thousand, one hundred twenty-two".