200012317 has 2 divisors, whose sum is σ = 200012318. Its totient is φ = 200012316.

The previous prime is 200012311. The next prime is 200012357. The reversal of 200012317 is 713210002.

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., 131354521 + 68657796 = 11461^2 + 8286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200012317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200012317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200012311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006158 + 100006159.

It is an arithmetic number, because the mean of its divisors is an integer number (100006159).

Almost surely, 2^200012317 is an apocalyptic number.

It is an amenable number.

200012317 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012317 is an equidigital number, since it uses as much as digits as its factorization.

200012317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 200012317 is about 14142.5710887377. The cubic root of 200012317 is about 584.8155524383.

Adding to 200012317 its reverse (713210002), we get a palindrome (913222319).

The spelling of 200012317 in words is "two hundred million, twelve thousand, three hundred seventeen".