12322020443 has 4 divisors (see below), whose sum is σ = 12323443368. Its totient is φ = 12320597520.

The previous prime is 12322020379. The next prime is 12322020449. The reversal of 12322020443 is 34402022321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34402022321 = 88117 ⋅390413.

It is a cyclic number.

It is not a de Polignac number, because 12322020443 - 2⁶ = 12322020379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322020449) 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, 698393 + ... + 715818.

It is an arithmetic number, because the mean of its divisors is an integer number (3080860842).

Almost surely, 2^12322020443 is an apocalyptic number.

12322020443 is a deficient number, since it is larger than the sum of its proper divisors (1422925).

12322020443 is an equidigital number, since it uses as much as digits as its factorization.

12322020443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422924.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12322020443 its reverse (34402022321), we get a palindrome (46724042764).

The spelling of 12322020443 in words is "twelve billion, three hundred twenty-two million, twenty thousand, four hundred forty-three".