212652620 has 24 divisors (see below), whose sum is σ = 446856144. Its totient is φ = 85006656.

The previous prime is 212652613. The next prime is 212652647. The reversal of 212652620 is 26256212.

It is a super-2 number, since 2×212652620² = 90442273585728800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212652620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46559 + ... + 50921.

It is an arithmetic number, because the mean of its divisors is an integer number (18619006).

Almost surely, 2^212652620 is an apocalyptic number.

212652620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212652620 is an abundant number, since it is smaller than the sum of its proper divisors (234203524).

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

212652620 is a wasteful number, since it uses less digits than its factorization.

212652620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809 (or 6807 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 212652620 is about 14582.6136203357. The cubic root of 212652620 is about 596.8844240538.

The spelling of 212652620 in words is "two hundred twelve million, six hundred fifty-two thousand, six hundred twenty".