12211203133223 has 4 divisors (see below), whose sum is σ = 12213693695568. Its totient is φ = 12208712570880.

The previous prime is 12211203133139. The next prime is 12211203133253. The reversal of 12211203133223 is 32233130211221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12211203133223 - 2²⁴ = 12211186356007 is a prime.

It is a super-2 number, since 2×12211203133223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211203133192 and 12211203133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211203133253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245273818 + ... + 1245283623.

It is an arithmetic number, because the mean of its divisors is an integer number (3053423423892).

Almost surely, 2^{12211203133223} is an apocalyptic number.

12211203133223 is a deficient number, since it is larger than the sum of its proper divisors (2490562345).

12211203133223 is an equidigital number, since it uses as much as digits as its factorization.

12211203133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490562344.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12211203133223 its reverse (32233130211221), we get a palindrome (44444333344444).

The spelling of 12211203133223 in words is "twelve trillion, two hundred eleven billion, two hundred three million, one hundred thirty-three thousand, two hundred twenty-three".