12123222003 has 6 divisors (see below), whose sum is σ = 17511320684. Its totient is φ = 8082147996.

The previous prime is 12123221983. The next prime is 12123222011. The reversal of 12123222003 is 30022232121.

It is not a de Polignac number, because 12123222003 - 2¹⁸ = 12122959859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123222043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673512325 + ... + 673512342.

Almost surely, 2^12123222003 is an apocalyptic number.

12123222003 is a deficient number, since it is larger than the sum of its proper divisors (5388098681).

12123222003 is a wasteful number, since it uses less digits than its factorization.

12123222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347024673 (or 1347024670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12123222003 its reverse (30022232121), we get a palindrome (42145454124).

The spelling of 12123222003 in words is "twelve billion, one hundred twenty-three million, two hundred twenty-two thousand, three".