211168252816612 has 48 divisors (see below), whose sum is σ = 470507512930560. Its totient is φ = 80658430780032.

The previous prime is 211168252816597. The next prime is 211168252816673. The reversal of 211168252816612 is 216618252861112.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 211168252816612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10002275008 + ... + 10002296119.

It is an arithmetic number, because the mean of its divisors is an integer number (9802239852720).

Almost surely, 2^{211168252816612} is an apocalyptic number.

It is an amenable number.

211168252816612 is an abundant number, since it is smaller than the sum of its proper divisors (259339260113948).

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

211168252816612 is a wasteful number, since it uses less digits than its factorization.

211168252816612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004571180 (or 20004571178 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The spelling of 211168252816612 in words is "two hundred eleven trillion, one hundred sixty-eight billion, two hundred fifty-two million, eight hundred sixteen thousand, six hundred twelve".