12131032113100 has 36 divisors (see below), whose sum is σ = 27872830259064. Its totient is φ = 4566976794880.

The previous prime is 12131032113097. The next prime is 12131032113103. The reversal of 12131032113100 is 131123013121.

It is an interprime number because it is at equal distance from previous prime (12131032113097) and next prime (12131032113103).

It is a super-2 number, since 2×12131032113100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12131032113103) 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 11 ways as a sum of consecutive naturals, for example, 3567948922 + ... + 3567952321.

It is an arithmetic number, because the mean of its divisors is an integer number (774245284974).

Almost surely, 2^{12131032113100} is an apocalyptic number.

12131032113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131032113100 is an abundant number, since it is smaller than the sum of its proper divisors (15741798145964).

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

12131032113100 is a wasteful number, since it uses less digits than its factorization.

12131032113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135901274 (or 7135901267 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12131032113100 its reverse (131123013121), we get a palindrome (12262155126221).

The spelling of 12131032113100 in words is "twelve trillion, one hundred thirty-one billion, thirty-two million, one hundred thirteen thousand, one hundred".