12030320120321 has 4 divisors (see below), whose sum is σ = 12418394962944. Its totient is φ = 11642245277700.

The previous prime is 12030320120303. The next prime is 12030320120339. The reversal of 12030320120321 is 12302102303021.

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 an interprime number because it is at equal distance from previous prime (12030320120303) and next prime (12030320120339).

It is a cyclic number.

It is not a de Polignac number, because 12030320120321 - 2¹⁰ = 12030320119297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030320120293 and 12030320120302.

It is not an unprimeable number, because it can be changed into a prime (12030320120341) 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, 194037421265 + ... + 194037421326.

It is an arithmetic number, because the mean of its divisors is an integer number (3104598740736).

Almost surely, 2^{12030320120321} is an apocalyptic number.

It is an amenable number.

12030320120321 is a deficient number, since it is larger than the sum of its proper divisors (388074842623).

12030320120321 is an equidigital number, since it uses as much as digits as its factorization.

12030320120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388074842622.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12030320120321 its reverse (12302102303021), we get a palindrome (24332422423342).

The spelling of 12030320120321 in words is "twelve trillion, thirty billion, three hundred twenty million, one hundred twenty thousand, three hundred twenty-one".