12022220121212 has 12 divisors (see below), whose sum is σ = 24044440242480. Its totient is φ = 5152380051936.

The previous prime is 12022220121161. The next prime is 12022220121229. The reversal of 12022220121212 is 21212102222021.

12022220121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12022220121212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214682502137 + ... + 214682502192.

It is an arithmetic number, because the mean of its divisors is an integer number (2003703353540).

Almost surely, 2^{12022220121212} is an apocalyptic number.

It is an amenable number.

12022220121212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022220121212 is a wasteful number, since it uses less digits than its factorization.

12022220121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429365004340 (or 429365004338 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12022220121212 its reverse (21212102222021), we get a palindrome (33234322343233).

The spelling of 12022220121212 in words is "twelve trillion, twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twelve".