312001112120 has 16 divisors (see below), whose sum is σ = 702002502360. Its totient is φ = 124800444832.

The previous prime is 312001112119. The next prime is 312001112141. The reversal of 312001112120 is 21211100213.

It is a junction number, because it is equal to n+sod(n) for n = 312001112095 and 312001112104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900013862 + ... + 3900013941.

Almost surely, 2^312001112120 is an apocalyptic number.

It is an amenable number.

312001112120 is an abundant number, since it is smaller than the sum of its proper divisors (390001390240).

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

312001112120 is a wasteful number, since it uses less digits than its factorization.

312001112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800027814 (or 7800027810 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 312001112120 its reverse (21211100213), we get a palindrome (333212212333).

The spelling of 312001112120 in words is "three hundred twelve billion, one million, one hundred twelve thousand, one hundred twenty".