189052212 has 12 divisors (see below), whose sum is σ = 441121856. Its totient is φ = 63017400.

The previous prime is 189052211. The next prime is 189052267. The reversal of 189052212 is 212250981.

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

It is a self number, because there is not a number n which added to its sum of digits gives 189052212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189052211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7877164 + ... + 7877187.

Almost surely, 2^189052212 is an apocalyptic number.

189052212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189052212 is an abundant number, since it is smaller than the sum of its proper divisors (252069644).

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

189052212 is a wasteful number, since it uses less digits than its factorization.

189052212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15754358 (or 15754356 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 189052212 is about 13749.6258858196. The cubic root of 189052212 is about 573.9321954492.

The spelling of 189052212 in words is "one hundred eighty-nine million, fifty-two thousand, two hundred twelve".