212222000212 has 12 divisors (see below), whose sum is σ = 371717461780. Its totient is φ = 106017011136.

The previous prime is 212222000197. The next prime is 212222000267. The reversal of 212222000212 is 212000222212.

212222000212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7769717316 + 204452282896 = 88146^2 + 452164^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23492163 + ... + 23501194.

Almost surely, 2^212222000212 is an apocalyptic number.

It is an amenable number.

212222000212 is a deficient number, since it is larger than the sum of its proper divisors (159495461568).

212222000212 is a wasteful number, since it uses less digits than its factorization.

212222000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46994490 (or 46994488 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212222000212 its reverse (212000222212), we get a palindrome (424222222424).

It can be divided in two parts, 212222000 and 212, that added together give a palindrome (212222212).

The spelling of 212222000212 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred twelve", and thus it is an aban number.