312112232102 has 16 divisors (see below), whose sum is σ = 510758341632. Its totient is φ = 141861075720.

The previous prime is 312112232059. The next prime is 312112232111. The reversal of 312112232102 is 201232211213.

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, 4118 + ... + 790089.

It is an arithmetic number, because the mean of its divisors is an integer number (31922396352).

Almost surely, 2^312112232102 is an apocalyptic number.

312112232102 is a deficient number, since it is larger than the sum of its proper divisors (198646109530).

312112232102 is a wasteful number, since it uses less digits than its factorization.

312112232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812083.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312112232102 its reverse (201232211213), we get a palindrome (513344443315).

The spelling of 312112232102 in words is "three hundred twelve billion, one hundred twelve million, two hundred thirty-two thousand, one hundred two".