1312152644401 has 2 divisors, whose sum is σ = 1312152644402. Its totient is φ = 1312152644400.

The previous prime is 1312152644393. The next prime is 1312152644417. The reversal of 1312152644401 is 1044462512131.

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., 1186835936400 + 125316708001 = 1089420^2 + 354001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312152644401 - 2³ = 1312152644393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312152624401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656076322200 + 656076322201.

It is an arithmetic number, because the mean of its divisors is an integer number (656076322201).

Almost surely, 2^{1312152644401} is an apocalyptic number.

It is an amenable number.

1312152644401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312152644401 is an equidigital number, since it uses as much as digits as its factorization.

1312152644401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 1312152644401 in words is "one trillion, three hundred twelve billion, one hundred fifty-two million, six hundred forty-four thousand, four hundred one".