1312112012313 has 16 divisors (see below), whose sum is σ = 1782533329920. Its totient is φ = 858216787584.

The previous prime is 1312112012269. The next prime is 1312112012371. The reversal of 1312112012313 is 3132102112131.

It is not a de Polignac number, because 1312112012313 - 2⁹ = 1312112011801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312112012313.

It is not an unprimeable number, because it can be changed into a prime (1312112012413) 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 in 15 ways as a sum of consecutive naturals, for example, 10212808 + ... + 10340486.

It is an arithmetic number, because the mean of its divisors is an integer number (111408333120).

Almost surely, 2^{1312112012313} is an apocalyptic number.

It is an amenable number.

1312112012313 is a deficient number, since it is larger than the sum of its proper divisors (470421317607).

1312112012313 is a wasteful number, since it uses less digits than its factorization.

1312112012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192368.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1312112012313 its reverse (3132102112131), we get a palindrome (4444214124444).

The spelling of 1312112012313 in words is "one trillion, three hundred twelve billion, one hundred twelve million, twelve thousand, three hundred thirteen".