12222000212 has 24 divisors (see below), whose sum is σ = 21473361000. Its totient is φ = 6086785536.

The previous prime is 12222000187. The next prime is 12222000221. The reversal of 12222000212 is 21200022221.

It can be written as a sum of positive squares in 4 ways, for example, as 8213956 + 12213786256 = 2866^2 + 110516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086664 + ... + 2092512.

It is an arithmetic number, because the mean of its divisors is an integer number (894723375).

Almost surely, 2^12222000212 is an apocalyptic number.

It is an amenable number.

12222000212 is a deficient number, since it is larger than the sum of its proper divisors (9251360788).

12222000212 is a wasteful number, since it uses less digits than its factorization.

12222000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12222000212 its reverse (21200022221), we get a palindrome (33422022433).

The spelling of 12222000212 in words is "twelve billion, two hundred twenty-two million, two hundred twelve", and thus it is an aban number.