212242196 has 12 divisors (see below), whose sum is σ = 371639520. Its totient is φ = 106059480.

The previous prime is 212242187. The next prime is 212242201. The reversal of 212242196 is 691242212.

It is a congruent number.

It is an unprimeable number.

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, 7166 + ... + 21813.

It is an arithmetic number, because the mean of its divisors is an integer number (30969960).

Almost surely, 2^212242196 is an apocalyptic number.

It is an amenable number.

212242196 is a deficient number, since it is larger than the sum of its proper divisors (159397324).

212242196 is a wasteful number, since it uses less digits than its factorization.

212242196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30814 (or 30812 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 212242196 is about 14568.5344492849. The cubic root of 212242196 is about 596.5001769425.

The spelling of 212242196 in words is "two hundred twelve million, two hundred forty-two thousand, one hundred ninety-six".