12113221131120 has 80 divisors (see below), whose sum is σ = 37551321874080. Its totient is φ = 3230163366912.

The previous prime is 12113221131091. The next prime is 12113221131203. The reversal of 12113221131120 is 2113112231121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48111802 + ... + 48362918.

It is an arithmetic number, because the mean of its divisors is an integer number (469391523426).

Almost surely, 2^{12113221131120} is an apocalyptic number.

12113221131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113221131120 is an abundant number, since it is smaller than the sum of its proper divisors (25438100742960).

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

12113221131120 is a wasteful number, since it uses less digits than its factorization.

12113221131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452122 (or 452116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12113221131120 its reverse (2113112231121), we get a palindrome (14226333362241).

The spelling of 12113221131120 in words is "twelve trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty".