12112332020 has 96 divisors (see below), whose sum is σ = 26567882880. Its totient is φ = 4634703360.

The previous prime is 12112331993. The next prime is 12112332047. The reversal of 12112332020 is 2023321121.

It is an interprime number because it is at equal distance from previous prime (12112331993) and next prime (12112332047).

It is a self number, because there is not a number n which added to its sum of digits gives 12112332020.

It is a congruent number.

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, 19567271 + ... + 19567889.

It is an arithmetic number, because the mean of its divisors is an integer number (276748780).

Almost surely, 2^12112332020 is an apocalyptic number.

12112332020 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 12112332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13283941440).

12112332020 is an abundant number, since it is smaller than the sum of its proper divisors (14455550860).

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

12112332020 is a wasteful number, since it uses less digits than its factorization.

12112332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1103 counting only the distinct ones).

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

Adding to 12112332020 its reverse (2023321121), we get a palindrome (14135653141).

The spelling of 12112332020 in words is "twelve billion, one hundred twelve million, three hundred thirty-two thousand, twenty".