111132312 has 32 divisors (see below), whose sum is σ = 285342000. Its totient is φ = 36042624.

The previous prime is 111132289. The next prime is 111132313. The reversal of 111132312 is 213231111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111132291 and 111132300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132313) 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 7 ways as a sum of consecutive naturals, for example, 61687 + ... + 63462.

Almost surely, 2^111132312 is an apocalyptic number.

111132312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111132312 is an abundant number, since it is smaller than the sum of its proper divisors (174209688).

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

111132312 is a wasteful number, since it uses less digits than its factorization.

111132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125195 (or 125191 counting only the distinct ones).

The product of its digits is 36, while the sum is 15.

The square root of 111132312 is about 10541.9311323875. The cubic root of 111132312 is about 480.7804317975.

Adding to 111132312 its reverse (213231111), we get a palindrome (324363423).

The spelling of 111132312 in words is "one hundred eleven million, one hundred thirty-two thousand, three hundred twelve".