204705212 has 12 divisors (see below), whose sum is σ = 363280176. Its totient is φ = 100910880.

The previous prime is 204705199. The next prime is 204705223. The reversal of 204705212 is 212507402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360113 + ... + 360680.

It is an arithmetic number, because the mean of its divisors is an integer number (30273348).

Almost surely, 2^204705212 is an apocalyptic number.

It is an amenable number.

204705212 is a deficient number, since it is larger than the sum of its proper divisors (158574964).

204705212 is a wasteful number, since it uses less digits than its factorization.

204705212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720868 (or 720866 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 204705212 is about 14307.5229162843. The cubic root of 204705212 is about 589.3540877342.

The spelling of 204705212 in words is "two hundred four million, seven hundred five thousand, two hundred twelve".