22123030112 has 24 divisors (see below), whose sum is σ = 43673416416. Its totient is φ = 11031368832.

The previous prime is 22123030109. The next prime is 22123030117. The reversal of 22123030112 is 21103032122.

It is a super-2 number, since 2×22123030112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123030117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930143 + ... + 953630.

It is an arithmetic number, because the mean of its divisors is an integer number (1819725684).

Almost surely, 2^22123030112 is an apocalyptic number.

It is an amenable number.

22123030112 is a deficient number, since it is larger than the sum of its proper divisors (21550386304).

22123030112 is a wasteful number, since it uses less digits than its factorization.

22123030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884150 (or 1884142 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22123030112 its reverse (21103032122), we get a palindrome (43226062234).

The spelling of 22123030112 in words is "twenty-two billion, one hundred twenty-three million, thirty thousand, one hundred twelve".