222222000000212 has 12 divisors (see below), whose sum is σ = 388916617261536. Its totient is φ = 111102966496920.

The previous prime is 222222000000181. The next prime is 222222000000223. The reversal of 222222000000212 is 212000000222222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2008313558 + ... + 2008424205.

It is an arithmetic number, because the mean of its divisors is an integer number (32409718105128).

Almost surely, 2^{222222000000212} is an apocalyptic number.

It is an amenable number.

222222000000212 is a deficient number, since it is larger than the sum of its proper divisors (166694617261324).

222222000000212 is a wasteful number, since it uses less digits than its factorization.

222222000000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016751598 (or 4016751596 counting only the distinct ones).

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

Adding to 222222000000212 its reverse (212000000222222), we get a palindrome (434222000222434).

The spelling of 222222000000212 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred twelve", and thus it is an aban number.