204214312321297 has 2 divisors, whose sum is σ = 204214312321298. Its totient is φ = 204214312321296.

The previous prime is 204214312321291. The next prime is 204214312321417. The reversal of 204214312321297 is 792123213412402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194654843919376 + 9559468401921 = 13951876^2 + 3091839^2 .

It is a cyclic number.

It is not a de Polignac number, because 204214312321297 - 2¹⁵ = 204214312288529 is a prime.

It is not a weakly prime, because it can be changed into another prime (204214312321291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102107156160648 + 102107156160649.

It is an arithmetic number, because the mean of its divisors is an integer number (102107156160649).

Almost surely, 2^{204214312321297} is an apocalyptic number.

It is an amenable number.

204214312321297 is a deficient number, since it is larger than the sum of its proper divisors (1).

204214312321297 is an equidigital number, since it uses as much as digits as its factorization.

204214312321297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

Adding to 204214312321297 its reverse (792123213412402), we get a palindrome (996337525733699).

The spelling of 204214312321297 in words is "two hundred four trillion, two hundred fourteen billion, three hundred twelve million, three hundred twenty-one thousand, two hundred ninety-seven".