12321333002021 has 4 divisors (see below), whose sum is σ = 12321497280492. Its totient is φ = 12321168723552.

The previous prime is 12321333001921. The next prime is 12321333002023. The reversal of 12321333002021 is 12020033312321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2625339684100 + 9695993317921 = 1620290^2 + 3113839^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321333002021 - 2¹⁰ = 12321333000997 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 (12321333002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82026680 + ... + 82176753.

It is an arithmetic number, because the mean of its divisors is an integer number (3080374320123).

Almost surely, 2^{12321333002021} is an apocalyptic number.

It is an amenable number.

12321333002021 is a deficient number, since it is larger than the sum of its proper divisors (164278471).

12321333002021 is an equidigital number, since it uses as much as digits as its factorization.

12321333002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164278470.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12321333002021 its reverse (12020033312321), we get a palindrome (24341366314342).

The spelling of 12321333002021 in words is "twelve trillion, three hundred twenty-one billion, three hundred thirty-three million, two thousand, twenty-one".