12310021321 has 8 divisors (see below), whose sum is σ = 13954680320. Its totient is φ = 10765038672.

The previous prime is 12310021319. The next prime is 12310021331. The reversal of 12310021321 is 12312001321.

12310021321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12310021321 - 2¹ = 12310021319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310021295 and 12310021304.

It is not an unprimeable number, because it can be changed into a prime (12310021331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24918825 + ... + 24919318.

It is an arithmetic number, because the mean of its divisors is an integer number (1744335040).

Almost surely, 2^12310021321 is an apocalyptic number.

It is an amenable number.

12310021321 is a deficient number, since it is larger than the sum of its proper divisors (1644658999).

12310021321 is a wasteful number, since it uses less digits than its factorization.

12310021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49838175.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12310021321 its reverse (12312001321), we get a palindrome (24622022642).

The spelling of 12310021321 in words is "twelve billion, three hundred ten million, twenty-one thousand, three hundred twenty-one".