204615212 has 12 divisors (see below), whose sum is σ = 358288056. Its totient is φ = 102247200.

The previous prime is 204615197. The next prime is 204615223. The reversal of 204615212 is 212516402.

It is a happy number.

204615212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 6998 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (29857338).

Almost surely, 2^204615212 is an apocalyptic number.

It is an amenable number.

204615212 is a deficient number, since it is larger than the sum of its proper divisors (153672844).

204615212 is a wasteful number, since it uses less digits than its factorization.

204615212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30208 (or 30206 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 204615212 is about 14304.3773719795. The cubic root of 204615212 is about 589.2677039327.

The spelling of 204615212 in words is "two hundred four million, six hundred fifteen thousand, two hundred twelve".