12210211222 has 32 divisors (see below), whose sum is σ = 20138136480. Its totient is φ = 5506375680.

The previous prime is 12210211183. The next prime is 12210211231. The reversal of 12210211222 is 22211201221.

It is a happy number.

12210211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12210211196 and 12210211205.

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 15 ways as a sum of consecutive naturals, for example, 2653828 + ... + 2658424.

It is an arithmetic number, because the mean of its divisors is an integer number (629316765).

Almost surely, 2^12210211222 is an apocalyptic number.

12210211222 is a deficient number, since it is larger than the sum of its proper divisors (7927925258).

12210211222 is a wasteful number, since it uses less digits than its factorization.

12210211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12210211222 its reverse (22211201221), we get a palindrome (34421412443).

The spelling of 12210211222 in words is "twelve billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".