204212351 has 12 divisors (see below), whose sum is σ = 238320648. Its totient is φ = 174473712.

The previous prime is 204212297. The next prime is 204212387. The reversal of 204212351 is 153212402.

It is a de Polignac number, because none of the positive numbers 2^k-204212351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204212051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8960 + ... + 22106.

It is an arithmetic number, because the mean of its divisors is an integer number (19860054).

Almost surely, 2^204212351 is an apocalyptic number.

204212351 is a deficient number, since it is larger than the sum of its proper divisors (34108297).

204212351 is a wasteful number, since it uses less digits than its factorization.

204212351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478 (or 13471 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204212351 is about 14290.2886954743. The cubic root of 204212351 is about 588.8807191079.

Adding to 204212351 its reverse (153212402), we get a palindrome (357424753).

The spelling of 204212351 in words is "two hundred four million, two hundred twelve thousand, three hundred fifty-one".