312133002022220 has 48 divisors (see below), whose sum is σ = 657278329347360. Its totient is φ = 124510599069696.

The previous prime is 312133002022187. The next prime is 312133002022267. The reversal of 312133002022220 is 22220200331213.

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, 69631874 + ... + 73978806.

It is an arithmetic number, because the mean of its divisors is an integer number (13693298528070).

Almost surely, 2^{312133002022220} is an apocalyptic number.

It is an amenable number.

312133002022220 is an abundant number, since it is smaller than the sum of its proper divisors (345145327325140).

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

312133002022220 is a wasteful number, since it uses less digits than its factorization.

312133002022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356794 (or 4356792 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312133002022220 its reverse (22220200331213), we get a palindrome (334353202353433).

The spelling of 312133002022220 in words is "three hundred twelve trillion, one hundred thirty-three billion, two million, twenty-two thousand, two hundred twenty".