12113220031320 has 64 divisors (see below), whose sum is σ = 36340715473920. Its totient is φ = 3230098196864.

The previous prime is 12113220031309. The next prime is 12113220031333. The reversal of 12113220031320 is 2313002231121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733259 + ... + 5630021.

It is an arithmetic number, because the mean of its divisors is an integer number (567823679280).

Almost surely, 2^{12113220031320} is an apocalyptic number.

12113220031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113220031320 is an abundant number, since it is smaller than the sum of its proper divisors (24227495442600).

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

12113220031320 is a wasteful number, since it uses less digits than its factorization.

12113220031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931624 (or 2931620 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12113220031320 its reverse (2313002231121), we get a palindrome (14426222262441).

The spelling of 12113220031320 in words is "twelve trillion, one hundred thirteen billion, two hundred twenty million, thirty-one thousand, three hundred twenty".