12210222122 has 32 divisors (see below), whose sum is σ = 21431448192. Its totient is φ = 5108189184.

The previous prime is 12210222091. The next prime is 12210222127. The reversal of 12210222122 is 22122201221.

It is a happy number.

12210222122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12210222122.

It is not an unprimeable number, because it can be changed into a prime (12210222127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1194698 + ... + 1204874.

It is an arithmetic number, because the mean of its divisors is an integer number (669732756).

Almost surely, 2^12210222122 is an apocalyptic number.

12210222122 is a deficient number, since it is larger than the sum of its proper divisors (9221226070).

12210222122 is a wasteful number, since it uses less digits than its factorization.

12210222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12210222122 its reverse (22122201221), we get a palindrome (34332423343).

The spelling of 12210222122 in words is "twelve billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".