312321111300312 has 32 divisors (see below), whose sum is σ = 782106288768000. Its totient is φ = 103933235697824.

The previous prime is 312321111300287. The next prime is 312321111300323. The reversal of 312321111300312 is 213003111123213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10862572968 + ... + 10862601719.

It is an arithmetic number, because the mean of its divisors is an integer number (24440821524000).

Almost surely, 2^{312321111300312} is an apocalyptic number.

It is an amenable number.

312321111300312 is an abundant number, since it is smaller than the sum of its proper divisors (469785177467688).

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

312321111300312 is a wasteful number, since it uses less digits than its factorization.

312321111300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21725175295 (or 21725175291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 312321111300312 its reverse (213003111123213), we get a palindrome (525324222423525).

The spelling of 312321111300312 in words is "three hundred twelve trillion, three hundred twenty-one billion, one hundred eleven million, three hundred thousand, three hundred twelve".