12003023112 has 16 divisors (see below), whose sum is σ = 30007557840. Its totient is φ = 4001007696.

The previous prime is 12003023051. The next prime is 12003023119. The reversal of 12003023112 is 21132030021.

12003023112 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 = 12003023091 and 12003023100.

It is not an unprimeable number, because it can be changed into a prime (12003023119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 250062958 + ... + 250063005.

It is an arithmetic number, because the mean of its divisors is an integer number (1875472365).

Almost surely, 2^12003023112 is an apocalyptic number.

12003023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003023112 is an abundant number, since it is smaller than the sum of its proper divisors (18004534728).

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

12003023112 is a wasteful number, since it uses less digits than its factorization.

12003023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500125972 (or 500125968 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12003023112 its reverse (21132030021), we get a palindrome (33135053133).

The spelling of 12003023112 in words is "twelve billion, three million, twenty-three thousand, one hundred twelve".