12211323222 has 24 divisors (see below), whose sum is σ = 28410017976. Its totient is φ = 3488949408.

The previous prime is 12211323211. The next prime is 12211323259. The reversal of 12211323222 is 22232311221.

12211323222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211323222² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20767263 + ... + 20767850.

It is an arithmetic number, because the mean of its divisors is an integer number (1183750749).

Almost surely, 2^12211323222 is an apocalyptic number.

12211323222 is an abundant number, since it is smaller than the sum of its proper divisors (16198694754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211323222 is a wasteful number, since it uses less digits than its factorization.

12211323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41535132 (or 41535125 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

Adding to 12211323222 its reverse (22232311221), we get a palindrome (34443634443).

The spelling of 12211323222 in words is "twelve billion, two hundred eleven million, three hundred twenty-three thousand, two hundred twenty-two".