12112220002238 has 8 divisors (see below), whose sum is σ = 18216267550680. Its totient is φ = 6040130818680.

The previous prime is 12112220002237. The next prime is 12112220002247. The reversal of 12112220002238 is 83220002221121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12112220002238² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220002237) 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 3 ways as a sum of consecutive naturals, for example, 7989590273 + ... + 7989591788.

It is an arithmetic number, because the mean of its divisors is an integer number (2277033443835).

Almost surely, 2^{12112220002238} is an apocalyptic number.

12112220002238 is a deficient number, since it is larger than the sum of its proper divisors (6104047548442).

12112220002238 is a wasteful number, since it uses less digits than its factorization.

12112220002238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15979182442.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 12112220002238 its reverse (83220002221121), we get a palindrome (95332222223359).

The spelling of 12112220002238 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, two thousand, two hundred thirty-eight".