12131101120 has 56 divisors (see below), whose sum is σ = 29071299744. Its totient is φ = 4821513216.

The previous prime is 12131101069. The next prime is 12131101127. The reversal of 12131101120 is 2110113121.

It is a happy number.

It is a super-2 number, since 2×12131101120² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12131101120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131101127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70492 + ... + 170971.

Almost surely, 2^12131101120 is an apocalyptic number.

12131101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131101120 is an abundant number, since it is smaller than the sum of its proper divisors (16940198624).

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

12131101120 is a wasteful number, since it uses less digits than its factorization.

12131101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241637 (or 241627 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12131101120 its reverse (2110113121), we get a palindrome (14241214241).

The spelling of 12131101120 in words is "twelve billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty".