312211331122 has 8 divisors (see below), whose sum is σ = 483423996672. Its totient is φ = 151069998900.

The previous prime is 312211331111. The next prime is 312211331141. The reversal of 312211331122 is 221133112213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×312211331122² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312211331093 and 312211331102.

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, 2517833254 + ... + 2517833377.

It is an arithmetic number, because the mean of its divisors is an integer number (60427999584).

Almost surely, 2^312211331122 is an apocalyptic number.

312211331122 is a deficient number, since it is larger than the sum of its proper divisors (171212665550).

312211331122 is a wasteful number, since it uses less digits than its factorization.

312211331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035666664.

The product of its digits is 432, while the sum is 22.

Adding to 312211331122 its reverse (221133112213), we get a palindrome (533344443335).

The spelling of 312211331122 in words is "three hundred twelve billion, two hundred eleven million, three hundred thirty-one thousand, one hundred twenty-two".