22022020221212 has 48 divisors (see below), whose sum is σ = 43492740570720. Its totient is φ = 9664619462400.

The previous prime is 22022020221193. The next prime is 22022020221221. The reversal of 22022020221212 is 21212202022022.

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 15 ways as a sum of consecutive naturals, for example, 65343038 + ... + 65679194.

It is an arithmetic number, because the mean of its divisors is an integer number (906098761890).

Almost surely, 2^{22022020221212} is an apocalyptic number.

22022020221212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22022020221212 is a deficient number, since it is larger than the sum of its proper divisors (21470720349508).

22022020221212 is a wasteful number, since it uses less digits than its factorization.

22022020221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387542 (or 387540 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22022020221212 its reverse (21212202022022), we get a palindrome (43234222243234).

The spelling of 22022020221212 in words is "twenty-two trillion, twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred twelve".