312320122252 has 24 divisors (see below), whose sum is σ = 565435936800. Its totient is φ = 150767546496.

The previous prime is 312320122193. The next prime is 312320122253. The reversal of 312320122252 is 252221023213.

It is not an unprimeable number, because it can be changed into a prime (312320122253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694648 + ... + 2808160.

It is an arithmetic number, because the mean of its divisors is an integer number (23559830700).

Almost surely, 2^312320122252 is an apocalyptic number.

It is an amenable number.

312320122252 is a deficient number, since it is larger than the sum of its proper divisors (253115814548).

312320122252 is a wasteful number, since it uses less digits than its factorization.

312320122252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137265 (or 137263 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 312320122252 its reverse (252221023213), we get a palindrome (564541145465).

The spelling of 312320122252 in words is "three hundred twelve billion, three hundred twenty million, one hundred twenty-two thousand, two hundred fifty-two".