12112311982 has 16 divisors (see below), whose sum is σ = 18616245120. Its totient is φ = 5907279672.

The previous prime is 12112311979. The next prime is 12112312013. The reversal of 12112311982 is 28911321121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31738 + ... + 158845.

It is an arithmetic number, because the mean of its divisors is an integer number (1163515320).

Almost surely, 2^12112311982 is an apocalyptic number.

12112311982 is a deficient number, since it is larger than the sum of its proper divisors (6503933138).

12112311982 is a wasteful number, since it uses less digits than its factorization.

12112311982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191367.

The product of its digits is 1728, while the sum is 31.

The spelling of 12112311982 in words is "twelve billion, one hundred twelve million, three hundred eleven thousand, nine hundred eighty-two".