312120102311000 has 64 divisors (see below), whose sum is σ = 730883102040000. Its totient is φ = 124758799449600.

The previous prime is 312120102310993. The next prime is 312120102311071. The reversal of 312120102311000 is 113201021213.

It is a self number, because there is not a number n which added to its sum of digits gives 312120102311000.

It is a congruent number.

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, 110152145 + ... + 112950144.

It is an arithmetic number, because the mean of its divisors is an integer number (11420048469375).

Almost surely, 2^{312120102311000} is an apocalyptic number.

It is an amenable number.

312120102311000 is an abundant number, since it is smaller than the sum of its proper divisors (418762999729000).

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

312120102311000 is a wasteful number, since it uses less digits than its factorization.

312120102311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223103709 (or 223103695 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312120102311000 its reverse (113201021213), we get a palindrome (312233303332213).

The spelling of 312120102311000 in words is "three hundred twelve trillion, one hundred twenty billion, one hundred two million, three hundred eleven thousand".