204112212 has 48 divisors (see below), whose sum is σ = 523138560. Its totient is φ = 61652448.

The previous prime is 204112177. The next prime is 204112219. The reversal of 204112212 is 212211402.

It is a junction number, because it is equal to n+sod(n) for n = 204112191 and 204112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204112219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14218 + ... + 24705.

It is an arithmetic number, because the mean of its divisors is an integer number (10898720).

Almost surely, 2^204112212 is an apocalyptic number.

It is an amenable number.

204112212 is an abundant number, since it is smaller than the sum of its proper divisors (319026348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204112212 is a wasteful number, since it uses less digits than its factorization.

204112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38972 (or 38970 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 204112212 is about 14286.7845227679. The cubic root of 204112212 is about 588.7844474776.

Adding to 204112212 its reverse (212211402), we get a palindrome (416323614).

The spelling of 204112212 in words is "two hundred four million, one hundred twelve thousand, two hundred twelve".