12001122113223 has 16 divisors (see below), whose sum is σ = 16169437179360. Its totient is φ = 7917008569344.

The previous prime is 12001122113191. The next prime is 12001122113263. The reversal of 12001122113223 is 32231122110021.

It is not a de Polignac number, because 12001122113223 - 2⁵ = 12001122113191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001122113223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001122113263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28667838 + ... + 29083451.

It is an arithmetic number, because the mean of its divisors is an integer number (1010589823710).

Almost surely, 2^{12001122113223} is an apocalyptic number.

12001122113223 is a deficient number, since it is larger than the sum of its proper divisors (4168315066137).

12001122113223 is a wasteful number, since it uses less digits than its factorization.

12001122113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57752018.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12001122113223 its reverse (32231122110021), we get a palindrome (44232244223244).

The spelling of 12001122113223 in words is "twelve trillion, one billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-three".