312102133010012 has 24 divisors (see below), whose sum is σ = 551588254837200. Its totient is φ = 154505498921600.

The previous prime is 312102133009999. The next prime is 312102133010111. The reversal of 312102133010012 is 210010331201213.

It is a happy number.

It is a super-2 number, since 2×312102133010012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141821864 + ... + 144005712.

It is an arithmetic number, because the mean of its divisors is an integer number (22982843951550).

Almost surely, 2^{312102133010012} is an apocalyptic number.

It is an amenable number.

312102133010012 is a deficient number, since it is larger than the sum of its proper divisors (239486121827188).

312102133010012 is a wasteful number, since it uses less digits than its factorization.

312102133010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537701 (or 2537699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312102133010012 its reverse (210010331201213), we get a palindrome (522112464211225).

The spelling of 312102133010012 in words is "three hundred twelve trillion, one hundred two billion, one hundred thirty-three million, ten thousand, twelve".