197212 has 12 divisors (see below), whose sum is σ = 352800. Its totient is φ = 96416.

The previous prime is 197207. The next prime is 197221. The reversal of 197212 is 212791.

It is a congruent number.

It is an unprimeable number.

197212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (29400).

2¹⁹⁷²¹² is an apocalyptic number.

It is an amenable number.

197212 is a deficient number, since it is larger than the sum of its proper divisors (155588).

197212 is a wasteful number, since it uses less digits than its factorization.

197212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1098 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 197212 is about 444.0855773384. The cubic root of 197212 is about 58.2073434993.

The spelling of 197212 in words is "one hundred ninety-seven thousand, two hundred twelve".