12310220332021 has 4 divisors (see below), whose sum is σ = 12310234013952. Its totient is φ = 12310206650092.

The previous prime is 12310220332019. The next prime is 12310220332027. The reversal of 12310220332021 is 12023302201321.

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 12310220332021 - 2¹ = 12310220332019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310220331983 and 12310220332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310220332027) 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, 5388565 + ... + 7325098.

It is an arithmetic number, because the mean of its divisors is an integer number (3077558503488).

Almost surely, 2^{12310220332021} is an apocalyptic number.

It is an amenable number.

12310220332021 is a deficient number, since it is larger than the sum of its proper divisors (13681931).

12310220332021 is an equidigital number, since it uses as much as digits as its factorization.

12310220332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681930.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12310220332021 its reverse (12023302201321), we get a palindrome (24333522533342).

The spelling of 12310220332021 in words is "twelve trillion, three hundred ten billion, two hundred twenty million, three hundred thirty-two thousand, twenty-one".