111123032312 has 16 divisors (see below), whose sum is σ = 219321774600. Its totient is φ = 52637225760.

The previous prime is 111123032309. The next prime is 111123032353. The reversal of 111123032312 is 213230321111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365536139 + ... + 365536442.

Almost surely, 2^111123032312 is an apocalyptic number.

It is an amenable number.

111123032312 is a deficient number, since it is larger than the sum of its proper divisors (108198742288).

111123032312 is a wasteful number, since it uses less digits than its factorization.

111123032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731072606 (or 731072602 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111123032312 its reverse (213230321111), we get a palindrome (324353353423).

The spelling of 111123032312 in words is "one hundred eleven billion, one hundred twenty-three million, thirty-two thousand, three hundred twelve".