12110031320 has 64 divisors (see below), whose sum is σ = 27689243040. Its totient is φ = 4765824000.

The previous prime is 12110031317. The next prime is 12110031337. The reversal of 12110031320 is 2313001121.

It is a junction number, because it is equal to n+sod(n) for n = 12110031295 and 12110031304.

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, 1224395 + ... + 1234245.

Almost surely, 2^12110031320 is an apocalyptic number.

12110031320 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 12110031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13844621520).

12110031320 is an abundant number, since it is smaller than the sum of its proper divisors (15579211720).

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

12110031320 is a wasteful number, since it uses less digits than its factorization.

12110031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12110031320 its reverse (2313001121), we get a palindrome (14423032441).

The spelling of 12110031320 in words is "twelve billion, one hundred ten million, thirty-one thousand, three hundred twenty".