12320030330321 has 4 divisors (see below), whose sum is σ = 14080034663232. Its totient is φ = 10560025997412.

The previous prime is 12320030330317. The next prime is 12320030330341. The reversal of 12320030330321 is 12303303002321.

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.

It is a cyclic number.

It is not a de Polignac number, because 12320030330321 - 2² = 12320030330317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320030330341) 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, 880002166445 + ... + 880002166458.

It is an arithmetic number, because the mean of its divisors is an integer number (3520008665808).

Almost surely, 2^{12320030330321} is an apocalyptic number.

It is an amenable number.

12320030330321 is a deficient number, since it is larger than the sum of its proper divisors (1760004332911).

12320030330321 is an equidigital number, since it uses as much as digits as its factorization.

12320030330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760004332910.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12320030330321 its reverse (12303303002321), we get a palindrome (24623333332642).

The spelling of 12320030330321 in words is "twelve trillion, three hundred twenty billion, thirty million, three hundred thirty thousand, three hundred twenty-one".