12113111320 has 96 divisors (see below), whose sum is σ = 29008626480. Its totient is φ = 4551321600.

The previous prime is 12113111293. The next prime is 12113111333. The reversal of 12113111320 is 2311131121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12113111294 and 12113111303.

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 23 ways as a sum of consecutive naturals, for example, 11524795 + ... + 11525845.

Almost surely, 2^12113111320 is an apocalyptic number.

12113111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12113111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14504313240).

12113111320 is an abundant number, since it is smaller than the sum of its proper divisors (16895515160).

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

12113111320 is a wasteful number, since it uses less digits than its factorization.

12113111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093 (or 2072 counting only the distinct ones).

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

Adding to 12113111320 its reverse (2311131121), we get a palindrome (14424242441).

The spelling of 12113111320 in words is "twelve billion, one hundred thirteen million, one hundred eleven thousand, three hundred twenty".