12112220110019 has 16 divisors (see below), whose sum is σ = 12653406275328. Its totient is φ = 11572255672032.

The previous prime is 12112220110013. The next prime is 12112220110051. The reversal of 12112220110019 is 91001102221121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12112220110019 - 2⁸ = 12112220109763 is a prime.

It is a super-2 number, since 2×12112220110019² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112220109976 and 12112220110003.

It is not an unprimeable number, because it can be changed into a prime (12112220110013) 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, 70208264 + ... + 70380570.

It is an arithmetic number, because the mean of its divisors is an integer number (790837892208).

Almost surely, 2^{12112220110019} is an apocalyptic number.

12112220110019 is a deficient number, since it is larger than the sum of its proper divisors (541186165309).

12112220110019 is a wasteful number, since it uses less digits than its factorization.

12112220110019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175834.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12112220110019 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, one hundred ten thousand, nineteen".