12030323321 has 4 divisors (see below), whose sum is σ = 12034419600. Its totient is φ = 12026227044.

The previous prime is 12030323317. The next prime is 12030323387. The reversal of 12030323321 is 12332303021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12332303021 = 359 ⋅34351819.

It is a cyclic number.

It is not a de Polignac number, because 12030323321 - 2² = 12030323317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030323293 and 12030323302.

It is not an unprimeable number, because it can be changed into a prime (12030323621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043731 + ... + 2049608.

It is an arithmetic number, because the mean of its divisors is an integer number (3008604900).

Almost surely, 2^12030323321 is an apocalyptic number.

It is an amenable number.

12030323321 is a deficient number, since it is larger than the sum of its proper divisors (4096279).

12030323321 is an equidigital number, since it uses as much as digits as its factorization.

12030323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096278.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12030323321 its reverse (12332303021), we get a palindrome (24362626342).

The spelling of 12030323321 in words is "twelve billion, thirty million, three hundred twenty-three thousand, three hundred twenty-one".