12211003223 has 4 divisors (see below), whose sum is σ = 12231595728. Its totient is φ = 12190410720.

The previous prime is 12211003169. The next prime is 12211003237. The reversal of 12211003223 is 32230011221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32230011221 = 17 ⋅1895883013.

It is a cyclic number.

It is not a de Polignac number, because 12211003223 - 2⁶ = 12211003159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211003283) 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, 10295363 + ... + 10296548.

It is an arithmetic number, because the mean of its divisors is an integer number (3057898932).

Almost surely, 2^12211003223 is an apocalyptic number.

12211003223 is a deficient number, since it is larger than the sum of its proper divisors (20592505).

12211003223 is an equidigital number, since it uses as much as digits as its factorization.

12211003223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20592504.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12211003223 its reverse (32230011221), we get a palindrome (44441014444).

The spelling of 12211003223 in words is "twelve billion, two hundred eleven million, three thousand, two hundred twenty-three".