12112320020 has 48 divisors (see below), whose sum is σ = 26167639680. Its totient is φ = 4707321216.

The previous prime is 12112319959. The next prime is 12112320067. The reversal of 12112320020 is 2002321121.

It is a happy number.

12112320020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12112319977 and 12112320004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53711 + ... + 164649.

It is an arithmetic number, because the mean of its divisors is an integer number (545159160).

Almost surely, 2^12112320020 is an apocalyptic number.

12112320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112320020 is an abundant number, since it is smaller than the sum of its proper divisors (14055319660).

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

12112320020 is a wasteful number, since it uses less digits than its factorization.

12112320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111104 (or 111102 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12112320020 its reverse (2002321121), we get a palindrome (14114641141).

The spelling of 12112320020 in words is "twelve billion, one hundred twelve million, three hundred twenty thousand, twenty".