12112003323020 has 24 divisors (see below), whose sum is σ = 25783634474304. Its totient is φ = 4778434187136.

The previous prime is 12112003322963. The next prime is 12112003323139. The reversal of 12112003323020 is 2032330021121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12112003322983 and 12112003323001.

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 7 ways as a sum of consecutive naturals, for example, 4147944884 + ... + 4147947803.

It is an arithmetic number, because the mean of its divisors is an integer number (1074318103096).

Almost surely, 2^{12112003323020} is an apocalyptic number.

12112003323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112003323020 is an abundant number, since it is smaller than the sum of its proper divisors (13671631151284).

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

12112003323020 is a wasteful number, since it uses less digits than its factorization.

12112003323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295892769 (or 8295892767 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12112003323020 its reverse (2032330021121), we get a palindrome (14144333344141).

The spelling of 12112003323020 in words is "twelve trillion, one hundred twelve billion, three million, three hundred twenty-three thousand, twenty".