321112344305512 has 16 divisors (see below), whose sum is σ = 637502448253860. Its totient is φ = 151111691437824.

The previous prime is 321112344305483. The next prime is 321112344305521. The reversal of 321112344305512 is 215503443211123.

It can be written as a sum of positive squares in 2 ways, for example, as 317153143734436 + 3959200571076 = 17808794^2 + 1989774^2 .

It is a super-2 number, since 2×321112344305512² (a number of 30 digits) contains 22 as substring.

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, 1180560089223 + ... + 1180560089494.

Almost surely, 2^{321112344305512} is an apocalyptic number.

It is an amenable number.

321112344305512 is a deficient number, since it is larger than the sum of its proper divisors (316390103948348).

321112344305512 is a wasteful number, since it uses less digits than its factorization.

321112344305512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361120178740 (or 2361120178736 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 321112344305512 its reverse (215503443211123), we get a palindrome (536615787516635).

The spelling of 321112344305512 in words is "three hundred twenty-one trillion, one hundred twelve billion, three hundred forty-four million, three hundred five thousand, five hundred twelve".