212165100550704 has 80 divisors (see below), whose sum is σ = 626395387216640. Its totient is φ = 60618291874560.

The previous prime is 212165100550699. The next prime is 212165100550721. The reversal of 212165100550704 is 407055001561212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69201027 + ... + 72201885.

It is an arithmetic number, because the mean of its divisors is an integer number (7829942340208).

Almost surely, 2^{212165100550704} is an apocalyptic number.

212165100550704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212165100550704 is an abundant number, since it is smaller than the sum of its proper divisors (414230286665936).

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

212165100550704 is a wasteful number, since it uses less digits than its factorization.

212165100550704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211298 (or 3211292 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 212165100550704 in words is "two hundred twelve trillion, one hundred sixty-five billion, one hundred million, five hundred fifty thousand, seven hundred four".