12020404112 has 80 divisors (see below), whose sum is σ = 24790496640. Its totient is φ = 5630321664.

The previous prime is 12020404103. The next prime is 12020404147. The reversal of 12020404112 is 21140402021.

12020404112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16533893 + ... + 16534619.

It is an arithmetic number, because the mean of its divisors is an integer number (309881208).

Almost surely, 2^12020404112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020404112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12395248320).

12020404112 is an abundant number, since it is smaller than the sum of its proper divisors (12770092528).

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

12020404112 is a wasteful number, since it uses less digits than its factorization.

12020404112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12020404112 its reverse (21140402021), we get a palindrome (33160806133).

The spelling of 12020404112 in words is "twelve billion, twenty million, four hundred four thousand, one hundred twelve".