1312100113120 has 48 divisors (see below), whose sum is σ = 3150653532768. Its totient is φ = 516236106240.

The previous prime is 1312100113099. The next prime is 1312100113157. The reversal of 1312100113120 is 213110012131.

It is a happy number.

It is a super-2 number, since 2×1312100113120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1312100113094 and 1312100113103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67208484 + ... + 67228003.

It is an arithmetic number, because the mean of its divisors is an integer number (65638615266).

Almost surely, 2^{1312100113120} is an apocalyptic number.

1312100113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312100113120 is an abundant number, since it is smaller than the sum of its proper divisors (1838553419648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312100113120 is a wasteful number, since it uses less digits than its factorization.

1312100113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134436563 (or 134436555 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1312100113120 its reverse (213110012131), we get a palindrome (1525210125251).

The spelling of 1312100113120 in words is "one trillion, three hundred twelve billion, one hundred million, one hundred thirteen thousand, one hundred twenty".