12003321324 has 12 divisors (see below), whose sum is σ = 28007749784. Its totient is φ = 4001107104.

The previous prime is 12003321229. The next prime is 12003321349. The reversal of 12003321324 is 42312330021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12003321324² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12003321324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500138377 + ... + 500138400.

Almost surely, 2^12003321324 is an apocalyptic number.

It is an amenable number.

12003321324 is an abundant number, since it is smaller than the sum of its proper divisors (16004428460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12003321324 is a wasteful number, since it uses less digits than its factorization.

12003321324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000276784 (or 1000276782 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12003321324 its reverse (42312330021), we get a palindrome (54315651345).

The spelling of 12003321324 in words is "twelve billion, three million, three hundred twenty-one thousand, three hundred twenty-four".