12211032222 has 48 divisors (see below), whose sum is σ = 26845687440. Its totient is φ = 4010691456.

The previous prime is 12211032191. The next prime is 12211032227. The reversal of 12211032222 is 22223011221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211032195 and 12211032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211032227) 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 23 ways as a sum of consecutive naturals, for example, 1555804 + ... + 1563632.

It is an arithmetic number, because the mean of its divisors is an integer number (559285155).

Almost surely, 2^12211032222 is an apocalyptic number.

12211032222 is an abundant number, since it is smaller than the sum of its proper divisors (14634655218).

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

12211032222 is a wasteful number, since it uses less digits than its factorization.

12211032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097 (or 9094 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12211032222 its reverse (22223011221), we get a palindrome (34434043443).

The spelling of 12211032222 in words is "twelve billion, two hundred eleven million, thirty-two thousand, two hundred twenty-two".