312366122656 has 48 divisors (see below), whose sum is σ = 702950996160. Its totient is φ = 133846963200.

The previous prime is 312366122639. The next prime is 312366122659. The reversal of 312366122656 is 656221663213.

It is not an unprimeable number, because it can be changed into a prime (312366122659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142440 + ... + 1389208.

It is an arithmetic number, because the mean of its divisors is an integer number (14644812420).

Almost surely, 2^312366122656 is an apocalyptic number.

It is an amenable number.

312366122656 is an abundant number, since it is smaller than the sum of its proper divisors (390584873504).

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

312366122656 is a wasteful number, since it uses less digits than its factorization.

312366122656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252437 (or 252429 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

Adding to 312366122656 its reverse (656221663213), we get a palindrome (968587785869).

The spelling of 312366122656 in words is "three hundred twelve billion, three hundred sixty-six million, one hundred twenty-two thousand, six hundred fifty-six".