212604750864 has 160 divisors (see below), whose sum is σ = 667449244800. Its totient is φ = 64259504640.

The previous prime is 212604750863. The next prime is 212604750877. The reversal of 212604750864 is 468057406212.

212604750864 is a `hidden beast` number, since 21 + 2 + 60 + 4 + 7 + 508 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (212604750863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791022 + ... + 1906034.

It is an arithmetic number, because the mean of its divisors is an integer number (4171557780).

Almost surely, 2^212604750864 is an apocalyptic number.

212604750864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212604750864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333724622400).

212604750864 is an abundant number, since it is smaller than the sum of its proper divisors (454844493936).

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

212604750864 is a wasteful number, since it uses less digits than its factorization.

212604750864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115430 (or 115418 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 212604750864 in words is "two hundred twelve billion, six hundred four million, seven hundred fifty thousand, eight hundred sixty-four".