204005212 has 6 divisors (see below), whose sum is σ = 357009128. Its totient is φ = 102002604.

The previous prime is 204005209. The next prime is 204005213. The reversal of 204005212 is 212500402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204005213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500648 + ... + 25500655.

Almost surely, 2^204005212 is an apocalyptic number.

It is an amenable number.

204005212 is a deficient number, since it is larger than the sum of its proper divisors (153003916).

204005212 is a wasteful number, since it uses less digits than its factorization.

204005212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51001307 (or 51001305 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 204005212 is about 14283.0393124153. The cubic root of 204005212 is about 588.6815450151.

Adding to 204005212 its reverse (212500402), we get a palindrome (416505614).

The spelling of 204005212 in words is "two hundred four million, five thousand, two hundred twelve".