12003130321 has 16 divisors (see below), whose sum is σ = 15051826944. Its totient is φ = 9317790144.

The previous prime is 12003130309. The next prime is 12003130331. The reversal of 12003130321 is 12303130021.

It is not a de Polignac number, because 12003130321 - 2⁵ = 12003130289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003130295 and 12003130304.

It is not an unprimeable number, because it can be changed into a prime (12003130301) 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 15 ways as a sum of consecutive naturals, for example, 1239541 + ... + 1249186.

It is an arithmetic number, because the mean of its divisors is an integer number (940739184).

Almost surely, 2^12003130321 is an apocalyptic number.

It is an amenable number.

12003130321 is a deficient number, since it is larger than the sum of its proper divisors (3048696623).

12003130321 is a wasteful number, since it uses less digits than its factorization.

12003130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488800.

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

Adding to 12003130321 its reverse (12303130021), we get a palindrome (24306260342).

The spelling of 12003130321 in words is "twelve billion, three million, one hundred thirty thousand, three hundred twenty-one".