12110222238 has 32 divisors (see below), whose sum is σ = 25681911840. Its totient is φ = 3793843200.

The previous prime is 12110222237. The next prime is 12110222251. The reversal of 12110222238 is 83222201121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110222237) 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 15 ways as a sum of consecutive naturals, for example, 13183 + ... + 156186.

It is an arithmetic number, because the mean of its divisors is an integer number (802559745).

Almost surely, 2^12110222238 is an apocalyptic number.

12110222238 is an abundant number, since it is smaller than the sum of its proper divisors (13571689602).

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

12110222238 is a wasteful number, since it uses less digits than its factorization.

12110222238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170092.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12110222238 its reverse (83222201121), we get a palindrome (95332423359).

The spelling of 12110222238 in words is "twelve billion, one hundred ten million, two hundred twenty-two thousand, two hundred thirty-eight".