198952122012 has 36 divisors (see below), whose sum is σ = 540012904200. Its totient is φ = 56843463264.

The previous prime is 198952121999. The next prime is 198952122037. The reversal of 198952122012 is 210221259891.

198952122012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169176387 + ... + 169177562.

It is an arithmetic number, because the mean of its divisors is an integer number (15000358450).

Almost surely, 2^198952122012 is an apocalyptic number.

198952122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198952122012 is an abundant number, since it is smaller than the sum of its proper divisors (341060782188).

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

198952122012 is a wasteful number, since it uses less digits than its factorization.

198952122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338353970 (or 338353961 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 198952122012 in words is "one hundred ninety-eight billion, nine hundred fifty-two million, one hundred twenty-two thousand, twelve".