13112121101223 has 32 divisors (see below), whose sum is σ = 17556026242240. Its totient is φ = 8704904785920.

The previous prime is 13112121101203. The next prime is 13112121101243. The reversal of 13112121101223 is 32210112121131.

It is an interprime number because it is at equal distance from previous prime (13112121101203) and next prime (13112121101243).

It is not a de Polignac number, because 13112121101223 - 2¹⁶ = 13112121035687 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 13112121101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112121101203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2234129133 + ... + 2234135001.

It is an arithmetic number, because the mean of its divisors is an integer number (548625820070).

Almost surely, 2^{13112121101223} is an apocalyptic number.

13112121101223 is a deficient number, since it is larger than the sum of its proper divisors (4443905141017).

13112121101223 is a wasteful number, since it uses less digits than its factorization.

13112121101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 13112121101223 its reverse (32210112121131), we get a palindrome (45322233222354).

The spelling of 13112121101223 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-three".