12031302320321 has 8 divisors (see below), whose sum is σ = 12258366444864. Its totient is φ = 11804240359600.

The previous prime is 12031302320209. The next prime is 12031302320377. The reversal of 12031302320321 is 12302320313021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12031302320321 - 2³⁰ = 12030228578497 is a prime.

It is a super-2 number, since 2×12031302320321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031302320381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14696246 + ... + 15493296.

It is an arithmetic number, because the mean of its divisors is an integer number (1532295805608).

Almost surely, 2^{12031302320321} is an apocalyptic number.

It is an amenable number.

12031302320321 is a deficient number, since it is larger than the sum of its proper divisors (227064124543).

12031302320321 is an equidigital number, since it uses as much as digits as its factorization.

12031302320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081911.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12031302320321 its reverse (12302320313021), we get a palindrome (24333622633342).

The spelling of 12031302320321 in words is "twelve trillion, thirty-one billion, three hundred two million, three hundred twenty thousand, three hundred twenty-one".