22112120212212 has 24 divisors (see below), whose sum is σ = 51757707256416. Its totient is φ = 7347455295328.

The previous prime is 22112120212199. The next prime is 22112120212277. The reversal of 22112120212212 is 21221202121122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906426298 + ... + 2906433905.

It is an arithmetic number, because the mean of its divisors is an integer number (2156571135684).

Almost surely, 2^{22112120212212} is an apocalyptic number.

It is an amenable number.

22112120212212 is an abundant number, since it is smaller than the sum of its proper divisors (29645587044204).

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

22112120212212 is a wasteful number, since it uses less digits than its factorization.

22112120212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812860527 (or 5812860525 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22112120212212 its reverse (21221202121122), we get a palindrome (43333322333334).

The spelling of 22112120212212 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred twelve".