22112303023212 has 12 divisors (see below), whose sum is σ = 51595373720856. Its totient is φ = 7370767674400.

The previous prime is 22112303023211. The next prime is 22112303023277. The reversal of 22112303023212 is 21232030321122.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22112303023211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 921345959289 + ... + 921345959312.

It is an arithmetic number, because the mean of its divisors is an integer number (4299614476738).

Almost surely, 2^{22112303023212} is an apocalyptic number.

It is an amenable number.

22112303023212 is an abundant number, since it is smaller than the sum of its proper divisors (29483070697644).

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

22112303023212 is a wasteful number, since it uses less digits than its factorization.

22112303023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842691918608 (or 1842691918606 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22112303023212 its reverse (21232030321122), we get a palindrome (43344333344334).

The spelling of 22112303023212 in words is "twenty-two trillion, one hundred twelve billion, three hundred three million, twenty-three thousand, two hundred twelve".