22220112200012 has 12 divisors (see below), whose sum is σ = 39102432085080. Its totient is φ = 11047988747136.

The previous prime is 22220112199997. The next prime is 22220112200021. The reversal of 22220112200012 is 21000221102222.

It is a happy number.

It is a super-2 number, since 2×22220112200012² (a number of 27 digits) contains 22 as substring.

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, 15516837413 + ... + 15516838844.

It is an arithmetic number, because the mean of its divisors is an integer number (3258536007090).

Almost surely, 2^{22220112200012} is an apocalyptic number.

It is an amenable number.

22220112200012 is a deficient number, since it is larger than the sum of its proper divisors (16882319885068).

22220112200012 is a wasteful number, since it uses less digits than its factorization.

22220112200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31033676440 (or 31033676438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220112200012 its reverse (21000221102222), we get a palindrome (43220333302234).

The spelling of 22220112200012 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred thousand, twelve".