13123231201 has 6 divisors (see below), whose sum is σ = 13850280402. Its totient is φ = 12432534480.

The previous prime is 13123231181. The next prime is 13123231207. The reversal of 13123231201 is 10213232131.

13123231201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13121931601 + 1299600 = 114551^2 + 1140^2 .

It is not a de Polignac number, because 13123231201 - 2²⁹ = 12586360289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123231207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18175860 + ... + 18176581.

It is an arithmetic number, because the mean of its divisors is an integer number (2308380067).

Almost surely, 2^13123231201 is an apocalyptic number.

It is an amenable number.

13123231201 is a deficient number, since it is larger than the sum of its proper divisors (727049201).

13123231201 is an equidigital number, since it uses as much as digits as its factorization.

13123231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36352479 (or 36352460 counting only the distinct ones).

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

Adding to 13123231201 its reverse (10213232131), we get a palindrome (23336463332).

The spelling of 13123231201 in words is "thirteen billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred one".