212101595292 has 12 divisors (see below), whose sum is σ = 494903722376. Its totient is φ = 70700531760.

The previous prime is 212101595273. The next prime is 212101595333. The reversal of 212101595292 is 292595101212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212101595292² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212101595292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8837566459 + ... + 8837566482.

Almost surely, 2^212101595292 is an apocalyptic number.

It is an amenable number.

212101595292 is an abundant number, since it is smaller than the sum of its proper divisors (282802127084).

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

212101595292 is a wasteful number, since it uses less digits than its factorization.

212101595292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17675132948 (or 17675132946 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 212101595292 in words is "two hundred twelve billion, one hundred one million, five hundred ninety-five thousand, two hundred ninety-two".