22112200102212 has 192 divisors, whose sum is σ = 65931444633600. Its totient is φ = 6343257000960.

The previous prime is 22112200102183. The next prime is 22112200102217. The reversal of 22112200102212 is 21220100221122.

It is a happy number.

22112200102212 is a `hidden beast` number, since 2 + 211 + 220 + 0 + 10 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22112200102217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1521012 + ... + 6821867.

It is an arithmetic number, because the mean of its divisors is an integer number (343392940800).

Almost surely, 2^{22112200102212} is an apocalyptic number.

22112200102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22112200102212 is an abundant number, since it is smaller than the sum of its proper divisors (43819244531388).

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

22112200102212 is a wasteful number, since it uses less digits than its factorization.

22112200102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343023 (or 8343015 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112200102212 its reverse (21220100221122), we get a palindrome (43332300323334).

The spelling of 22112200102212 in words is "twenty-two trillion, one hundred twelve billion, two hundred million, one hundred two thousand, two hundred twelve".