312402243451112 has 16 divisors (see below), whose sum is σ = 585786297590340. Its totient is φ = 156192564093696.

The previous prime is 312402243451097. The next prime is 312402243451153. The reversal of 312402243451112 is 211154342204213.

It can be written as a sum of positive squares in 2 ways, for example, as 311908307177476 + 493936273636 = 17660926^2 + 702806^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1069548833 + ... + 1069840880.

Almost surely, 2^{312402243451112} is an apocalyptic number.

It is an amenable number.

312402243451112 is a deficient number, since it is larger than the sum of its proper divisors (273384054139228).

312402243451112 is a wasteful number, since it uses less digits than its factorization.

312402243451112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139407972 (or 2139407968 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 312402243451112 its reverse (211154342204213), we get a palindrome (523556585655325).

The spelling of 312402243451112 in words is "three hundred twelve trillion, four hundred two billion, two hundred forty-three million, four hundred fifty-one thousand, one hundred twelve".