1312103116201 has 2 divisors, whose sum is σ = 1312103116202. Its totient is φ = 1312103116200.

The previous prime is 1312103116183. The next prime is 1312103116229. The reversal of 1312103116201 is 1026113012131.

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., 1148058675625 + 164044440576 = 1071475^2 + 405024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312103116201 - 2⁵ = 1312103116169 is a prime.

It is a super-2 number, since 2×1312103116201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312103116601) 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, 656051558100 + 656051558101.

It is an arithmetic number, because the mean of its divisors is an integer number (656051558101).

Almost surely, 2^{1312103116201} is an apocalyptic number.

It is an amenable number.

1312103116201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312103116201 is an equidigital number, since it uses as much as digits as its factorization.

1312103116201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1312103116201 its reverse (1026113012131), we get a palindrome (2338216128332).

The spelling of 1312103116201 in words is "one trillion, three hundred twelve billion, one hundred three million, one hundred sixteen thousand, two hundred one".