22113112304412 has 144 divisors (see below), whose sum is σ = 57367073443680. Its totient is φ = 7178238144000.

The previous prime is 22113112304401. The next prime is 22113112304417. The reversal of 22113112304412 is 21440321131122.

22113112304412 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 3 + 11 + 230 + 4 + 412 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113112304417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717267414 + ... + 717298242.

It is an arithmetic number, because the mean of its divisors is an integer number (398382454470).

Almost surely, 2^{22113112304412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22113112304412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28683536721840).

22113112304412 is an abundant number, since it is smaller than the sum of its proper divisors (35253961139268).

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

22113112304412 is a wasteful number, since it uses less digits than its factorization.

22113112304412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32244 (or 32239 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 22113112304412 its reverse (21440321131122), we get a palindrome (43553433435534).

The spelling of 22113112304412 in words is "twenty-two trillion, one hundred thirteen billion, one hundred twelve million, three hundred four thousand, four hundred twelve".