13212231201023 has 4 divisors (see below), whose sum is σ = 13212292348368. Its totient is φ = 13212170053680.

The previous prime is 13212231200989. The next prime is 13212231201041. The reversal of 13212231201023 is 32010213221231.

13212231201023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13212231201023 - 2⁸ = 13212231200767 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 13212231201023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212231201073) 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, 30248411 + ... + 30682092.

It is an arithmetic number, because the mean of its divisors is an integer number (3303073087092).

Almost surely, 2^{13212231201023} is an apocalyptic number.

13212231201023 is a deficient number, since it is larger than the sum of its proper divisors (61147345).

13212231201023 is an equidigital number, since it uses as much as digits as its factorization.

13212231201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61147344.

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

Adding to 13212231201023 its reverse (32010213221231), we get a palindrome (45222444422254).

The spelling of 13212231201023 in words is "thirteen trillion, two hundred twelve billion, two hundred thirty-one million, two hundred one thousand, twenty-three".