2116420644312 has 96 divisors (see below), whose sum is σ = 6173409322080. Its totient is φ = 651151941120.

The previous prime is 2116420644301. The next prime is 2116420644343. The reversal of 2116420644312 is 2134460246112.

2116420644312 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 4 + 2 + 0 + 644 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11931133 + ... + 12107219.

It is an arithmetic number, because the mean of its divisors is an integer number (64306347105).

Almost surely, 2^{2116420644312} is an apocalyptic number.

It is an amenable number.

2116420644312 is an abundant number, since it is smaller than the sum of its proper divisors (4056988677768).

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

2116420644312 is a wasteful number, since it uses less digits than its factorization.

2116420644312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188953 (or 188946 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 2116420644312 in words is "two trillion, one hundred sixteen billion, four hundred twenty million, six hundred forty-four thousand, three hundred twelve".