12112233020 has 24 divisors (see below), whose sum is σ = 25621357104. Its totient is φ = 4809527936.

The previous prime is 12112233011. The next prime is 12112233037. The reversal of 12112233020 is 2033221121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112233020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207522 + ... + 2213001.

It is an arithmetic number, because the mean of its divisors is an integer number (1067556546).

Almost surely, 2^12112233020 is an apocalyptic number.

12112233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112233020 is an abundant number, since it is smaller than the sum of its proper divisors (13509124084).

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

12112233020 is a wasteful number, since it uses less digits than its factorization.

12112233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420669 (or 4420667 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12112233020 its reverse (2033221121), we get a palindrome (14145454141).

The spelling of 12112233020 in words is "twelve billion, one hundred twelve million, two hundred thirty-three thousand, twenty".