312332222401012 has 18 divisors (see below), whose sum is σ = 600787807966514. Its totient is φ = 141969192000240.

The previous prime is 312332222400973. The next prime is 312332222401019. The reversal of 312332222401012 is 210104222233213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 308693795859856 + 3638426541156 = 17569684^2 + 1907466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312332222401019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322657254063 + ... + 322657255030.

Almost surely, 2^{312332222401012} is an apocalyptic number.

It is an amenable number.

312332222401012 is a deficient number, since it is larger than the sum of its proper divisors (288455585565502).

312332222401012 is a wasteful number, since it uses less digits than its factorization.

312332222401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645314509119 (or 645314509106 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312332222401012 its reverse (210104222233213), we get a palindrome (522436444634225).

The spelling of 312332222401012 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred twenty-two million, four hundred one thousand, twelve".