12021202320013 has 4 divisors (see below), whose sum is σ = 12035844467388. Its totient is φ = 12006560172640.

The previous prime is 12021202320007. The next prime is 12021202320059. The reversal of 12021202320013 is 31002320212021.

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 6571419456484 + 5449782863529 = 2563478^2 + 2334477^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021202320013 - 2⁹ = 12021202319501 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 (12021202329013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7321072456 + ... + 7321074097.

It is an arithmetic number, because the mean of its divisors is an integer number (3008961116847).

Almost surely, 2^{12021202320013} is an apocalyptic number.

It is an amenable number.

12021202320013 is a deficient number, since it is larger than the sum of its proper divisors (14642147375).

12021202320013 is an equidigital number, since it uses as much as digits as its factorization.

12021202320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14642147374.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12021202320013 its reverse (31002320212021), we get a palindrome (43023522532034).

The spelling of 12021202320013 in words is "twelve trillion, twenty-one billion, two hundred two million, three hundred twenty thousand, thirteen".