312322302122 has 8 divisors (see below), whose sum is σ = 468494741700. Its totient is φ = 156157388224.

The previous prime is 312322302113. The next prime is 312322302133. The reversal of 312322302122 is 221203223213.

It can be written as a sum of positive squares in 2 ways, for example, as 310439523241 + 1882778881 = 557171^2 + 43391^2 .

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

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, 1776497 + ... + 1944372.

Almost surely, 2^312322302122 is an apocalyptic number.

312322302122 is a deficient number, since it is larger than the sum of its proper divisors (156172439578).

312322302122 is a wasteful number, since it uses less digits than its factorization.

312322302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762840.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312322302122 its reverse (221203223213), we get a palindrome (533525525335).

The spelling of 312322302122 in words is "three hundred twelve billion, three hundred twenty-two million, three hundred two thousand, one hundred twenty-two".