12123303003 has 36 divisors (see below), whose sum is σ = 20572211088. Its totient is φ = 6858986400.

The previous prime is 12123302993. The next prime is 12123303011. The reversal of 12123303003 is 30030332121.

It is not a de Polignac number, because 12123303003 - 2²⁰ = 12122254427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123302003) 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 35 ways as a sum of consecutive naturals, for example, 91551 + ... + 180632.

It is an arithmetic number, because the mean of its divisors is an integer number (571450308).

Almost surely, 2^12123303003 is an apocalyptic number.

12123303003 is a deficient number, since it is larger than the sum of its proper divisors (8448908085).

12123303003 is a wasteful number, since it uses less digits than its factorization.

12123303003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272304 (or 272294 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12123303003 its reverse (30030332121), we get a palindrome (42153635124).

The spelling of 12123303003 in words is "twelve billion, one hundred twenty-three million, three hundred three thousand, three".