22222020021212 has 96 divisors (see below), whose sum is σ = 43487520620544. Its totient is φ = 9848515723200.

The previous prime is 22222020021197. The next prime is 22222020021241. The reversal of 22222020021212 is 21212002022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2968076933 + ... + 2968084419.

It is an arithmetic number, because the mean of its divisors is an integer number (452995006464).

Almost surely, 2^{22222020021212} is an apocalyptic number.

22222020021212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22222020021212 is a deficient number, since it is larger than the sum of its proper divisors (21265500599332).

22222020021212 is a wasteful number, since it uses less digits than its factorization.

22222020021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119 (or 10117 counting only the distinct ones).

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

Adding to 22222020021212 its reverse (21212002022222), we get a palindrome (43434022043434).

The spelling of 22222020021212 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, twenty-one thousand, two hundred twelve".