12022022212 has 12 divisors (see below), whose sum is σ = 21039775036. Its totient is φ = 6010657920.

The previous prime is 12022022179. The next prime is 12022022231. The reversal of 12022022212 is 21222022021.

It can be written as a sum of positive squares in 2 ways, for example, as 5865109056 + 6156913156 = 76584^2 + 78466^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433 + ... + 155080.

Almost surely, 2^12022022212 is an apocalyptic number.

It is an amenable number.

12022022212 is a deficient number, since it is larger than the sum of its proper divisors (9017752824).

12022022212 is a wasteful number, since it uses less digits than its factorization.

12022022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176598 (or 176596 counting only the distinct ones).

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

Adding to 12022022212 its reverse (21222022021), we get a palindrome (33244044233).

The spelling of 12022022212 in words is "twelve billion, twenty-two million, twenty-two thousand, two hundred twelve".