12223213211 has 8 divisors (see below), whose sum is σ = 13444617648. Its totient is φ = 11112010800.

The previous prime is 12223213199. The next prime is 12223213229. The reversal of 12223213211 is 11231232221.

It is not a de Polignac number, because 12223213211 - 2¹⁰ = 12223212187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223213241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4590410 + ... + 4593071.

It is an arithmetic number, because the mean of its divisors is an integer number (1680577206).

Almost surely, 2^12223213211 is an apocalyptic number.

12223213211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12223213211 is a deficient number, since it is larger than the sum of its proper divisors (1221404437).

12223213211 is an frugal number, since it uses more digits than its factorization.

12223213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183514 (or 9183492 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 12223213211 its reverse (11231232221), we get a palindrome (23454445432).

The spelling of 12223213211 in words is "twelve billion, two hundred twenty-three million, two hundred thirteen thousand, two hundred eleven".