222012122212 has 24 divisors (see below), whose sum is σ = 395499202560. Its totient is φ = 109027064640.

The previous prime is 222012122201. The next prime is 222012122257. The reversal of 222012122212 is 212221210222.

It is a self number, because there is not a number n which added to its sum of digits gives 222012122212.

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 7 ways as a sum of consecutive naturals, for example, 1778833 + ... + 1899544.

It is an arithmetic number, because the mean of its divisors is an integer number (16479133440).

Almost surely, 2^222012122212 is an apocalyptic number.

It is an amenable number.

222012122212 is a deficient number, since it is larger than the sum of its proper divisors (173487080348).

222012122212 is a wasteful number, since it uses less digits than its factorization.

222012122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678651 (or 3678649 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222012122212 its reverse (212221210222), we get a palindrome (434233332434).

The spelling of 222012122212 in words is "two hundred twenty-two billion, twelve million, one hundred twenty-two thousand, two hundred twelve".