212056854768 has 80 divisors (see below), whose sum is σ = 664016428800. Its totient is φ = 64259651520.

The previous prime is 212056854707. The next prime is 212056854781. The reversal of 212056854768 is 867458650212.

212056854768 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 568 + 5 + 4 + 76 + 8 = 666.

212056854768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22307628 + ... + 22317131.

It is an arithmetic number, because the mean of its divisors is an integer number (8300205360).

Almost surely, 2^212056854768 is an apocalyptic number.

It is an amenable number.

212056854768 is an abundant number, since it is smaller than the sum of its proper divisors (451959574032).

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

212056854768 is a wasteful number, since it uses less digits than its factorization.

212056854768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44624787 (or 44624775 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 212056854768 in words is "two hundred twelve billion, fifty-six million, eight hundred fifty-four thousand, seven hundred sixty-eight".