1232111112 has 32 divisors (see below), whose sum is σ = 3081257280. Its totient is φ = 410573120.

The previous prime is 1232111077. The next prime is 1232111129. The reversal of 1232111112 is 2111112321.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1232111091 and 1232111100.

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, 96037 + ... + 108107.

It is an arithmetic number, because the mean of its divisors is an integer number (96289290).

Almost surely, 2^1232111112 is an apocalyptic number.

1232111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232111112 is an abundant number, since it is smaller than the sum of its proper divisors (1849146168).

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

1232111112 is a wasteful number, since it uses less digits than its factorization.

1232111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16333 (or 16329 counting only the distinct ones).

The product of its digits is 24, while the sum is 15.

The square root of 1232111112 is about 35101.4403123291. The cubic root of 1232111112 is about 1072.0539091661.

Adding to 1232111112 its reverse (2111112321), we get a palindrome (3343223433).

The spelling of 1232111112 in words is "one billion, two hundred thirty-two million, one hundred eleven thousand, one hundred twelve".