312122252204 has 24 divisors (see below), whose sum is σ = 638761820928. Its totient is φ = 130655826000.

The previous prime is 312122252203. The next prime is 312122252237. The reversal of 312122252204 is 402252221213.

It is not an unprimeable number, because it can be changed into a prime (312122252203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129617672 + ... + 129620079.

It is an arithmetic number, because the mean of its divisors is an integer number (26615075872).

Almost surely, 2^312122252204 is an apocalyptic number.

It is an amenable number.

312122252204 is an abundant number, since it is smaller than the sum of its proper divisors (326639568724).

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

312122252204 is a wasteful number, since it uses less digits than its factorization.

312122252204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259237805 (or 259237803 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 312122252204 its reverse (402252221213), we get a palindrome (714374473417).

The spelling of 312122252204 in words is "three hundred twelve billion, one hundred twenty-two million, two hundred fifty-two thousand, two hundred four".