12113040223 has 4 divisors (see below), whose sum is σ = 12503783488. Its totient is φ = 11722296960.

The previous prime is 12113040193. The next prime is 12113040239. The reversal of 12113040223 is 32204031121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32204031121 = 4447 ⋅7241743.

It is a cyclic number.

It is not a de Polignac number, because 12113040223 - 2⁹ = 12113039711 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 12113040223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113040293) 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, 195371586 + ... + 195371647.

It is an arithmetic number, because the mean of its divisors is an integer number (3125945872).

Almost surely, 2^12113040223 is an apocalyptic number.

12113040223 is a deficient number, since it is larger than the sum of its proper divisors (390743265).

12113040223 is an equidigital number, since it uses as much as digits as its factorization.

12113040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390743264.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12113040223 its reverse (32204031121), we get a palindrome (44317071344).

The spelling of 12113040223 in words is "twelve billion, one hundred thirteen million, forty thousand, two hundred twenty-three".