12224012211 has 24 divisors (see below), whose sum is σ = 18316217920. Its totient is φ = 8146959912.

The previous prime is 12224012191. The next prime is 12224012219. The reversal of 12224012211 is 11221042221.

It is not a de Polignac number, because 12224012211 - 2⁹ = 12224011699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224012219) 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, 1312176 + ... + 1321458.

Almost surely, 2^12224012211 is an apocalyptic number.

12224012211 is a deficient number, since it is larger than the sum of its proper divisors (6092205709).

12224012211 is an frugal number, since it uses more digits than its factorization.

12224012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14717 (or 14705 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12224012211 its reverse (11221042221), we get a palindrome (23445054432).

The spelling of 12224012211 in words is "twelve billion, two hundred twenty-four million, twelve thousand, two hundred eleven".