12022212220 has 24 divisors (see below), whose sum is σ = 25270485408. Its totient is φ = 4804344000.

The previous prime is 12022212211. The next prime is 12022212259. The reversal of 12022212220 is 2221222021.

12022212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12022212194 and 12022212203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262056 + ... + 304495.

It is an arithmetic number, because the mean of its divisors is an integer number (1052936892).

Almost surely, 2^12022212220 is an apocalyptic number.

12022212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022212220 is an abundant number, since it is smaller than the sum of its proper divisors (13248273188).

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

12022212220 is a wasteful number, since it uses less digits than its factorization.

12022212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567621 (or 567619 counting only the distinct ones).

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

Adding to 12022212220 its reverse (2221222021), we get a palindrome (14243434241).

The spelling of 12022212220 in words is "twelve billion, twenty-two million, two hundred twelve thousand, two hundred twenty".