1312102123113 has 24 divisors (see below), whose sum is σ = 1828499358400. Its totient is φ = 836822943936.

The previous prime is 1312102123099. The next prime is 1312102123117. The reversal of 1312102123113 is 3113212012131.

It is not a de Polignac number, because 1312102123113 - 2⁶ = 1312102123049 is a prime.

It is a super-2 number, since 2×1312102123113² (a number of 25 digits) contains 22 as substring.

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 1312102123113.

It is not an unprimeable number, because it can be changed into a prime (1312102123117) 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, 2110573 + ... + 2660586.

Almost surely, 2^{1312102123113} is an apocalyptic number.

It is an amenable number.

1312102123113 is a deficient number, since it is larger than the sum of its proper divisors (516397235287).

1312102123113 is a wasteful number, since it uses less digits than its factorization.

1312102123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771329 (or 4771300 counting only the distinct ones).

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

Adding to 1312102123113 its reverse (3113212012131), we get a palindrome (4425314135244).

The spelling of 1312102123113 in words is "one trillion, three hundred twelve billion, one hundred two million, one hundred twenty-three thousand, one hundred thirteen".