212242618192 has 20 divisors (see below), whose sum is σ = 448603716096. Its totient is φ = 96473917280.

The previous prime is 212242618187. The next prime is 212242618199. The reversal of 212242618192 is 291816242212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212242618199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602961808 + ... + 602962159.

Almost surely, 2^212242618192 is an apocalyptic number.

212242618192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212242618192 is an abundant number, since it is smaller than the sum of its proper divisors (236361097904).

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

212242618192 is a wasteful number, since it uses less digits than its factorization.

212242618192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205923986 (or 1205923980 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The spelling of 212242618192 in words is "two hundred twelve billion, two hundred forty-two million, six hundred eighteen thousand, one hundred ninety-two".