212715168 has 24 divisors (see below), whose sum is σ = 558377568. Its totient is φ = 70905024.

The previous prime is 212715137. The next prime is 212715197. The reversal of 212715168 is 861517212.

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

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1107796 + ... + 1107987.

It is an arithmetic number, because the mean of its divisors is an integer number (23265732).

Almost surely, 2^212715168 is an apocalyptic number.

It is an amenable number.

212715168 is an abundant number, since it is smaller than the sum of its proper divisors (345662400).

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

212715168 is a wasteful number, since it uses less digits than its factorization.

212715168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215796 (or 2215788 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 212715168 is about 14584.7580713565. The cubic root of 212715168 is about 596.9429393093.

The spelling of 212715168 in words is "two hundred twelve million, seven hundred fifteen thousand, one hundred sixty-eight".