1312122313313 has 24 divisors (see below), whose sum is σ = 1662226576512. Its totient is φ = 1012496246784.

The previous prime is 1312122313273. The next prime is 1312122313357. The reversal of 1312122313313 is 3133132212131.

It is not a de Polignac number, because 1312122313313 - 2⁸ = 1312122313057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312122313813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14053520 + ... + 14146577.

It is an arithmetic number, because the mean of its divisors is an integer number (69259440688).

Almost surely, 2^{1312122313313} is an apocalyptic number.

It is an amenable number.

1312122313313 is a deficient number, since it is larger than the sum of its proper divisors (350104263199).

1312122313313 is a wasteful number, since it uses less digits than its factorization.

1312122313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28200161 (or 28200144 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 1312122313313 its reverse (3133132212131), we get a palindrome (4445254525444).

The spelling of 1312122313313 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred thirteen".