204317212 has 36 divisors (see below), whose sum is σ = 395972920. Its totient is φ = 92172960.

The previous prime is 204317167. The next prime is 204317213. The reversal of 204317212 is 212713402.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204317213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65758 + ... + 68794.

Almost surely, 2^204317212 is an apocalyptic number.

204317212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204317212 is a deficient number, since it is larger than the sum of its proper divisors (191655708).

204317212 is a wasteful number, since it uses less digits than its factorization.

204317212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 204317212 is about 14293.9571847687. The cubic root of 204317212 is about 588.9814966472.

The spelling of 204317212 in words is "two hundred four million, three hundred seventeen thousand, two hundred twelve".