212621164760 has 16 divisors (see below), whose sum is σ = 478397620800. Its totient is φ = 85048465888.

The previous prime is 212621164757. The next prime is 212621164849. The reversal of 212621164760 is 67461126212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657764520 + ... + 2657764599.

It is an arithmetic number, because the mean of its divisors is an integer number (29899851300).

Almost surely, 2^212621164760 is an apocalyptic number.

212621164760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212621164760 is an abundant number, since it is smaller than the sum of its proper divisors (265776456040).

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

212621164760 is a wasteful number, since it uses less digits than its factorization.

212621164760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315529130 (or 5315529126 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 212621164760 in words is "two hundred twelve billion, six hundred twenty-one million, one hundred sixty-four thousand, seven hundred sixty".