13230001213021 has 4 divisors (see below), whose sum is σ = 13230038787552. Its totient is φ = 13229963638492.

The previous prime is 13230001213003. The next prime is 13230001213043. The reversal of 13230001213021 is 12031210003231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13230001213021 - 2¹⁹ = 13230000688733 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 13230001213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230001213001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18254071 + ... + 18964996.

It is an arithmetic number, because the mean of its divisors is an integer number (3307509696888).

Almost surely, 2^{13230001213021} is an apocalyptic number.

It is an amenable number.

13230001213021 is a deficient number, since it is larger than the sum of its proper divisors (37574531).

13230001213021 is an equidigital number, since it uses as much as digits as its factorization.

13230001213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37574530.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13230001213021 its reverse (12031210003231), we get a palindrome (25261211216252).

The spelling of 13230001213021 in words is "thirteen trillion, two hundred thirty billion, one million, two hundred thirteen thousand, twenty-one".