312220201232 has 20 divisors (see below), whose sum is σ = 604941949020. Its totient is φ = 156106149888.

The previous prime is 312220201231. The next prime is 312220201343. The reversal of 312220201232 is 232102022213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 285408103696 + 26812097536 = 534236^2 + 163744^2 .

It is not an unprimeable number, because it can be changed into a prime (312220201231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467744 + ... + 918272.

It is an arithmetic number, because the mean of its divisors is an integer number (30247097451).

Almost surely, 2^312220201232 is an apocalyptic number.

It is an amenable number.

312220201232 is a deficient number, since it is larger than the sum of its proper divisors (292721747788).

312220201232 is a wasteful number, since it uses less digits than its factorization.

312220201232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493850 (or 493844 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312220201232 its reverse (232102022213), we get a palindrome (544322223445).

The spelling of 312220201232 in words is "three hundred twelve billion, two hundred twenty million, two hundred one thousand, two hundred thirty-two".