13312241300021 has 8 divisors (see below), whose sum is σ = 13771392928920. Its totient is φ = 12853096926208.

The previous prime is 13312241299997. The next prime is 13312241300051. The reversal of 13312241300021 is 12000314221331.

It can be written as a sum of positive squares in 4 ways, for example, as 178792819921 + 13133448480100 = 422839^2 + 3624010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13312241300021 - 2¹⁴ = 13312241283637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13312241300021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312241300051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059505 + ... + 5555721.

It is an arithmetic number, because the mean of its divisors is an integer number (1721424116115).

Almost surely, 2^{13312241300021} is an apocalyptic number.

It is an amenable number.

13312241300021 is a deficient number, since it is larger than the sum of its proper divisors (459151628899).

13312241300021 is a wasteful number, since it uses less digits than its factorization.

13312241300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627543.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13312241300021 its reverse (12000314221331), we get a palindrome (25312555521352).

The spelling of 13312241300021 in words is "thirteen trillion, three hundred twelve billion, two hundred forty-one million, three hundred thousand, twenty-one".