12223203111 has 24 divisors (see below), whose sum is σ = 20298829824. Its totient is φ = 6942857040.

The previous prime is 12223203079. The next prime is 12223203121. The reversal of 12223203111 is 11130232221.

12223203111 is a `hidden beast` number, since 12 + 22 + 320 + 311 + 1 = 666.

It is not a de Polignac number, because 12223203111 - 2⁵ = 12223203079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223203121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570375 + ... + 591416.

It is an arithmetic number, because the mean of its divisors is an integer number (845784576).

Almost surely, 2^12223203111 is an apocalyptic number.

12223203111 is a deficient number, since it is larger than the sum of its proper divisors (8075626713).

12223203111 is a wasteful number, since it uses less digits than its factorization.

12223203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161971 (or 1161968 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12223203111 its reverse (11130232221), we get a palindrome (23353435332).

The spelling of 12223203111 in words is "twelve billion, two hundred twenty-three million, two hundred three thousand, one hundred eleven".