12323332021 has 32 divisors (see below), whose sum is σ = 16617339648. Its totient is φ = 8825725440.

The previous prime is 12323332019. The next prime is 12323332051. The reversal of 12323332021 is 12023332321.

It is not a de Polignac number, because 12323332021 - 2¹ = 12323332019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12323331983 and 12323332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323332001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206815 + ... + 259651.

It is an arithmetic number, because the mean of its divisors is an integer number (519291864).

Almost surely, 2^12323332021 is an apocalyptic number.

12323332021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12323332021 is a deficient number, since it is larger than the sum of its proper divisors (4294007627).

12323332021 is a wasteful number, since it uses less digits than its factorization.

12323332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53101.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12323332021 its reverse (12023332321), we get a palindrome (24346664342).

The spelling of 12323332021 in words is "twelve billion, three hundred twenty-three million, three hundred thirty-two thousand, twenty-one".