12001003003 has 12 divisors (see below), whose sum is σ = 13885460680. Its totient is φ = 10335790080.

The previous prime is 12001002977. The next prime is 12001003019. The reversal of 12001003003 is 30030010021.

It is not a de Polignac number, because 12001003003 - 2⁵ = 12001002971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001003073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2607750 + ... + 2612347.

Almost surely, 2^12001003003 is an apocalyptic number.

12001003003 is a deficient number, since it is larger than the sum of its proper divisors (1884457677).

12001003003 is a wasteful number, since it uses less digits than its factorization.

12001003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220138 (or 5220127 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 12001003003 its reverse (30030010021), we get a palindrome (42031013024).

The spelling of 12001003003 in words is "twelve billion, one million, three thousand, three".