12223123211 has 8 divisors (see below), whose sum is σ = 13167856464. Its totient is φ = 11279031840.

The previous prime is 12223123153. The next prime is 12223123229. The reversal of 12223123211 is 11232132221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12223123211 - 2²⁶ = 12156014347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223123411) 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, 120545 + ... + 197426.

It is an arithmetic number, because the mean of its divisors is an integer number (1645982058).

Almost surely, 2^12223123211 is an apocalyptic number.

12223123211 is a deficient number, since it is larger than the sum of its proper divisors (944733253).

12223123211 is a wasteful number, since it uses less digits than its factorization.

12223123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320941.

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

Adding to 12223123211 its reverse (11232132221), we get a palindrome (23455255432).

The spelling of 12223123211 in words is "twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred eleven".