12012112003 has 16 divisors (see below), whose sum is σ = 12304172160. Its totient is φ = 11724186816.

The previous prime is 12012111989. The next prime is 12012112027. The reversal of 12012112003 is 30021121021.

12012112003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12012112003 - 2²⁹ = 11475241091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012112403) 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 15 ways as a sum of consecutive naturals, for example, 3630676 + ... + 3633982.

It is an arithmetic number, because the mean of its divisors is an integer number (769010760).

Almost surely, 2^12012112003 is an apocalyptic number.

12012112003 is a deficient number, since it is larger than the sum of its proper divisors (292060157).

12012112003 is a wasteful number, since it uses less digits than its factorization.

12012112003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012112003 its reverse (30021121021), we get a palindrome (42033233024).

The spelling of 12012112003 in words is "twelve billion, twelve million, one hundred twelve thousand, three".