204188212 has 24 divisors (see below), whose sum is σ = 376719840. Its totient is φ = 96570720.

The previous prime is 204188197. The next prime is 204188221. The reversal of 204188212 is 212881402.

It is a super-3 number, since 3×204188212³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58887 + ... + 62257.

It is an arithmetic number, because the mean of its divisors is an integer number (15696660).

Almost surely, 2^204188212 is an apocalyptic number.

It is an amenable number.

204188212 is a deficient number, since it is larger than the sum of its proper divisors (172531628).

204188212 is a wasteful number, since it uses less digits than its factorization.

204188212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4189 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 204188212 is about 14289.4440759604. Note that the first 3 decimals coincide. The cubic root of 204188212 is about 588.8575152359.

The spelling of 204188212 in words is "two hundred four million, one hundred eighty-eight thousand, two hundred twelve".