212534297118168 has 128 divisors (see below), whose sum is σ = 550338347520000. Its totient is φ = 68326687526400.

The previous prime is 212534297118149. The next prime is 212534297118191. The reversal of 212534297118168 is 861811792435212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1330146730 + ... + 1330306502.

It is an arithmetic number, because the mean of its divisors is an integer number (4299518340000).

Almost surely, 2^{212534297118168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212534297118168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275169173760000).

212534297118168 is an abundant number, since it is smaller than the sum of its proper divisors (337804050401832).

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

212534297118168 is a wasteful number, since it uses less digits than its factorization.

212534297118168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165873 (or 165869 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 60.

The spelling of 212534297118168 in words is "two hundred twelve trillion, five hundred thirty-four billion, two hundred ninety-seven million, one hundred eighteen thousand, one hundred sixty-eight".