2122312120056 has 24 divisors (see below), whose sum is σ = 5747928658680. Its totient is φ = 707437373328.

The previous prime is 2122312120031. The next prime is 2122312120063. The reversal of 2122312120056 is 6500212132212.

2122312120056 is a `hidden beast` number, since 212 + 231 + 212 + 0 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14738278540 + ... + 14738278683.

It is an arithmetic number, because the mean of its divisors is an integer number (239497027445).

Almost surely, 2^{2122312120056} is an apocalyptic number.

It is an amenable number.

2122312120056 is an abundant number, since it is smaller than the sum of its proper divisors (3625616538624).

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

2122312120056 is a wasteful number, since it uses less digits than its factorization.

2122312120056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29476557235 (or 29476557228 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 2122312120056 its reverse (6500212132212), we get a palindrome (8622524252268).

The spelling of 2122312120056 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty thousand, fifty-six".