12112221194 has 8 divisors (see below), whose sum is σ = 19124559840. Its totient is φ = 5737367916.

The previous prime is 12112221193. The next prime is 12112221211. The reversal of 12112221194 is 49112221121.

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

It is not an unprimeable number, because it can be changed into a prime (12112221193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159371294 + ... + 159371369.

It is an arithmetic number, because the mean of its divisors is an integer number (2390569980).

Almost surely, 2^12112221194 is an apocalyptic number.

12112221194 is a deficient number, since it is larger than the sum of its proper divisors (7012338646).

12112221194 is a wasteful number, since it uses less digits than its factorization.

12112221194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318742684.

The product of its digits is 576, while the sum is 26.

The spelling of 12112221194 in words is "twelve billion, one hundred twelve million, two hundred twenty-one thousand, one hundred ninety-four".