189212 has 6 divisors (see below), whose sum is σ = 331128. Its totient is φ = 94604.

The previous prime is 189199. The next prime is 189223. The reversal of 189212 is 212981.

189212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

189212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23648 + ... + 23655.

It is an arithmetic number, because the mean of its divisors is an integer number (55188).

2¹⁸⁹²¹² is an apocalyptic number.

It is an amenable number.

189212 is a deficient number, since it is larger than the sum of its proper divisors (141916).

189212 is a wasteful number, since it uses less digits than its factorization.

189212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47307 (or 47305 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 189212 is about 434.9850572146. The cubic root of 189212 is about 57.4093846829.

The spelling of 189212 in words is "one hundred eighty-nine thousand, two hundred twelve".