13231121126 has 8 divisors (see below), whose sum is σ = 19871902200. Its totient is φ = 6607153728.

The previous prime is 13231121089. The next prime is 13231121159. The reversal of 13231121126 is 62112113231.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201451 + ... + 4204598.

It is an arithmetic number, because the mean of its divisors is an integer number (2483987775).

Almost surely, 2^13231121126 is an apocalyptic number.

13231121126 is a deficient number, since it is larger than the sum of its proper divisors (6640781074).

13231121126 is an equidigital number, since it uses as much as digits as its factorization.

13231121126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406838.

The product of its digits is 432, while the sum is 23.

Adding to 13231121126 its reverse (62112113231), we get a palindrome (75343234357).

The spelling of 13231121126 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-six".