12222200222 has 16 divisors (see below), whose sum is σ = 18484971120. Its totient is φ = 6060637632.

The previous prime is 12222200197. The next prime is 12222200227. The reversal of 12222200222 is 22200222221.

It is a self number, because there is not a number n which added to its sum of digits gives 12222200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222200227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241868 + ... + 288000.

It is an arithmetic number, because the mean of its divisors is an integer number (1155310695).

Almost surely, 2^12222200222 is an apocalyptic number.

12222200222 is a deficient number, since it is larger than the sum of its proper divisors (6262770898).

12222200222 is a wasteful number, since it uses less digits than its factorization.

12222200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47227.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 12222200222 its reverse (22200222221), we get a palindrome (34422422443).

The spelling of 12222200222 in words is "twelve billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-two".