12223212111 has 12 divisors (see below), whose sum is σ = 19260819240. Its totient is φ = 7408007280.

The previous prime is 12223212103. The next prime is 12223212167. The reversal of 12223212111 is 11121232221.

It is not a de Polignac number, because 12223212111 - 2³ = 12223212103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61733296 + ... + 61733493.

It is an arithmetic number, because the mean of its divisors is an integer number (1605068270).

Almost surely, 2^12223212111 is an apocalyptic number.

12223212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12223212111 is a deficient number, since it is larger than the sum of its proper divisors (7037607129).

12223212111 is a wasteful number, since it uses less digits than its factorization.

12223212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123466806 (or 123466803 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 12223212111 its reverse (11121232221), we get a palindrome (23344444332).

The spelling of 12223212111 in words is "twelve billion, two hundred twenty-three million, two hundred twelve thousand, one hundred eleven".