12310303221312 has 112 divisors (see below), whose sum is σ = 34009049136960. Its totient is φ = 3924909033472.

The previous prime is 12310303221299. The next prime is 12310303221331. The reversal of 12310303221312 is 21312230301321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9735543 + ... + 10927094.

Almost surely, 2^{12310303221312} is an apocalyptic number.

12310303221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12310303221312 is an abundant number, since it is smaller than the sum of its proper divisors (21698745915648).

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

12310303221312 is a wasteful number, since it uses less digits than its factorization.

12310303221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20662788 (or 20662778 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12310303221312 its reverse (21312230301321), we get a palindrome (33622533522633).

The spelling of 12310303221312 in words is "twelve trillion, three hundred ten billion, three hundred three million, two hundred twenty-one thousand, three hundred twelve".