12131230003 has 4 divisors (see below), whose sum is σ = 12330102688. Its totient is φ = 11932357320.

The previous prime is 12131229989. The next prime is 12131230021. The reversal of 12131230003 is 30003213121.

12131230003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12131230003 - 2⁹ = 12131229491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131230063) 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, 99436251 + ... + 99436372.

It is an arithmetic number, because the mean of its divisors is an integer number (3082525672).

Almost surely, 2^12131230003 is an apocalyptic number.

12131230003 is a deficient number, since it is larger than the sum of its proper divisors (198872685).

12131230003 is an equidigital number, since it uses as much as digits as its factorization.

12131230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198872684.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12131230003 its reverse (30003213121), we get a palindrome (42134443124).

The spelling of 12131230003 in words is "twelve billion, one hundred thirty-one million, two hundred thirty thousand, three".