12310202231021 has 4 divisors (see below), whose sum is σ = 12317768429472. Its totient is φ = 12302636032572.

The previous prime is 12310202231003. The next prime is 12310202231027. The reversal of 12310202231021 is 12013220201321.

12310202231021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12310202231021 - 2¹⁴ = 12310202214637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310202230984 and 12310202231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310202231027) 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, 3783096785 + ... + 3783100038.

It is an arithmetic number, because the mean of its divisors is an integer number (3079442107368).

Almost surely, 2^{12310202231021} is an apocalyptic number.

It is an amenable number.

12310202231021 is a deficient number, since it is larger than the sum of its proper divisors (7566198451).

12310202231021 is an equidigital number, since it uses as much as digits as its factorization.

12310202231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566198450.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12310202231021 its reverse (12013220201321), we get a palindrome (24323422432342).

The spelling of 12310202231021 in words is "twelve trillion, three hundred ten billion, two hundred two million, two hundred thirty-one thousand, twenty-one".