204212207 has 2 divisors, whose sum is σ = 204212208. Its totient is φ = 204212206.

The previous prime is 204212179. The next prime is 204212231. The reversal of 204212207 is 702212402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204212207 - 2¹⁸ = 203950063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204212297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102106103 + 102106104.

It is an arithmetic number, because the mean of its divisors is an integer number (102106104).

Almost surely, 2^204212207 is an apocalyptic number.

204212207 is a deficient number, since it is larger than the sum of its proper divisors (1).

204212207 is an equidigital number, since it uses as much as digits as its factorization.

204212207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 204212207 is about 14290.2836570867. The cubic root of 204212207 is about 588.8805806918.

Adding to 204212207 its reverse (702212402), we get a palindrome (906424609).

The spelling of 204212207 in words is "two hundred four million, two hundred twelve thousand, two hundred seven".