1232112112 has 80 divisors (see below), whose sum is σ = 3072374784. Its totient is φ = 464544000.

The previous prime is 1232112109. The next prime is 1232112127. The reversal of 1232112112 is 2112112321.

It is a Harshad number since it is a multiple of its sum of digits (16).

1232112112 is a modest number, since divided by 112112 gives 1232 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22062 + ... + 54322.

Almost surely, 2^1232112112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536187392).

1232112112 is an abundant number, since it is smaller than the sum of its proper divisors (1840262672).

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

1232112112 is a wasteful number, since it uses less digits than its factorization.

1232112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318 (or 32312 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1232112112 is about 35101.4545567559. The cubic root of 1232112112 is about 1072.0541991978.

Adding to 1232112112 its reverse (2112112321), we get a palindrome (3344224433).

The spelling of 1232112112 in words is "one billion, two hundred thirty-two million, one hundred twelve thousand, one hundred twelve".