1312404301061 has 4 divisors (see below), whose sum is σ = 1499890629792. Its totient is φ = 1124917972332.

The previous prime is 1312404300989. The next prime is 1312404301067. The reversal of 1312404301061 is 1601034042131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1312404301061 - 2¹⁰ = 1312404300037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312404301061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312404301067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93743164355 + ... + 93743164368.

It is an arithmetic number, because the mean of its divisors is an integer number (374972657448).

Almost surely, 2^{1312404301061} is an apocalyptic number.

It is an amenable number.

1312404301061 is a deficient number, since it is larger than the sum of its proper divisors (187486328731).

1312404301061 is an equidigital number, since it uses as much as digits as its factorization.

1312404301061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187486328730.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1312404301061 its reverse (1601034042131), we get a palindrome (2913438343192).

The spelling of 1312404301061 in words is "one trillion, three hundred twelve billion, four hundred four million, three hundred one thousand, sixty-one".