12112235659 has 4 divisors (see below), whose sum is σ = 12179901960. Its totient is φ = 12044569360.

The previous prime is 12112235647. The next prime is 12112235683. The reversal of 12112235659 is 95653221121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112235659 - 2¹¹ = 12112233611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112235609) 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, 33832882 + ... + 33833239.

It is an arithmetic number, because the mean of its divisors is an integer number (3044975490).

Almost surely, 2^12112235659 is an apocalyptic number.

12112235659 is a deficient number, since it is larger than the sum of its proper divisors (67666301).

12112235659 is an equidigital number, since it uses as much as digits as its factorization.

12112235659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67666300.

The product of its digits is 32400, while the sum is 37.

The spelling of 12112235659 in words is "twelve billion, one hundred twelve million, two hundred thirty-five thousand, six hundred fifty-nine".