198212 has 12 divisors (see below), whose sum is σ = 396480. Its totient is φ = 84936.

The previous prime is 198197. The next prime is 198221. The reversal of 198212 is 212891.

198212 is an admirable number.

It is an unprimeable number.

198212 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 in 3 ways as a sum of consecutive naturals, for example, 3512 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (33040).

2¹⁹⁸²¹² is an apocalyptic number.

It is an amenable number.

198212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198212 is a wasteful number, since it uses less digits than its factorization.

198212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090 (or 7088 counting only the distinct ones).

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

The square root of 198212 is about 445.2100627794. The cubic root of 198212 is about 58.3055613833.

The spelling of 198212 in words is "one hundred ninety-eight thousand, two hundred twelve".