22112210220212 has 48 divisors (see below), whose sum is σ = 44338585549440. Its totient is φ = 9452203891200.

The previous prime is 22112210220181. The next prime is 22112210220239. The reversal of 22112210220212 is 21202201221122.

22112210220212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86460887 + ... + 86716257.

It is an arithmetic number, because the mean of its divisors is an integer number (923720532280).

Almost surely, 2^{22112210220212} is an apocalyptic number.

It is an amenable number.

22112210220212 is an abundant number, since it is smaller than the sum of its proper divisors (22226375329228).

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

22112210220212 is a wasteful number, since it uses less digits than its factorization.

22112210220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263352 (or 263350 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22112210220212 its reverse (21202201221122), we get a palindrome (43314411441334).

The spelling of 22112210220212 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty thousand, two hundred twelve".