12332144021 has 12 divisors (see below), whose sum is σ = 12894328512. Its totient is φ = 11788982856.

The previous prime is 12332143997. The next prime is 12332144051. The reversal of 12332144021 is 12044123321.

It is not a de Polignac number, because 12332144021 - 2¹⁴ = 12332127637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12332144051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15950 + ... + 157856.

It is an arithmetic number, because the mean of its divisors is an integer number (1074527376).

Almost surely, 2^12332144021 is an apocalyptic number.

It is an amenable number.

12332144021 is a deficient number, since it is larger than the sum of its proper divisors (562184491).

12332144021 is an equidigital number, since it uses as much as digits as its factorization.

12332144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142040 (or 141997 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12332144021 its reverse (12044123321), we get a palindrome (24376267342).

The spelling of 12332144021 in words is "twelve billion, three hundred thirty-two million, one hundred forty-four thousand, twenty-one".