12116133220 has 96 divisors (see below), whose sum is σ = 26827815168. Its totient is φ = 4590577152.

The previous prime is 12116133209. The next prime is 12116133259. The reversal of 12116133220 is 2233161121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12116133191 and 12116133200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16005082 + ... + 16005838.

It is an arithmetic number, because the mean of its divisors is an integer number (279456408).

Almost surely, 2^12116133220 is an apocalyptic number.

12116133220 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 12116133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13413907584).

12116133220 is an abundant number, since it is smaller than the sum of its proper divisors (14711681948).

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

12116133220 is a wasteful number, since it uses less digits than its factorization.

12116133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12116133220 its reverse (2233161121), we get a palindrome (14349294341).

The spelling of 12116133220 in words is "twelve billion, one hundred sixteen million, one hundred thirty-three thousand, two hundred twenty".