12112221219 has 16 divisors (see below), whose sum is σ = 18486554880. Its totient is φ = 6910080480.

The previous prime is 12112221211. The next prime is 12112221263. The reversal of 12112221219 is 91212221121.

12112221219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12112221219 - 2³ = 12112221211 is a prime.

It is a super-2 number, since 2×12112221219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12112221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452892 + ... + 478889.

It is an arithmetic number, because the mean of its divisors is an integer number (1155409680).

Almost surely, 2^12112221219 is an apocalyptic number.

12112221219 is a deficient number, since it is larger than the sum of its proper divisors (6374333661).

12112221219 is an equidigital number, since it uses as much as digits as its factorization.

12112221219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932410.

The product of its digits is 288, while the sum is 24.

The spelling of 12112221219 in words is "twelve billion, one hundred twelve million, two hundred twenty-one thousand, two hundred nineteen".