12112110021198 has 32 divisors (see below), whose sum is σ = 26688069620352. Its totient is φ = 3633996404000.

The previous prime is 12112110021157. The next prime is 12112110021199. The reversal of 12112110021198 is 89112001121121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112110021199) 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, 908492436 + ... + 908505767.

It is an arithmetic number, because the mean of its divisors is an integer number (834002175636).

Almost surely, 2^{12112110021198} is an apocalyptic number.

12112110021198 is an abundant number, since it is smaller than the sum of its proper divisors (14575959599154).

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

12112110021198 is a wasteful number, since it uses less digits than its factorization.

12112110021198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816998320.

The product of its (nonzero) digits is 576, while the sum is 30.

The spelling of 12112110021198 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred ninety-eight".