1112432112 has 240 divisors, whose sum is σ = 3579994080. Its totient is φ = 319334400.

The previous prime is 1112432107. The next prime is 1112432129. The reversal of 1112432112 is 2112342111.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2801898 + ... + 2802294.

It is an arithmetic number, because the mean of its divisors is an integer number (14916642).

Almost surely, 2^1112432112 is an apocalyptic number.

1112432112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112432112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789997040).

1112432112 is an abundant number, since it is smaller than the sum of its proper divisors (2467561968).

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

1112432112 is a wasteful number, since it uses less digits than its factorization.

1112432112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 503 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1112432112 is about 33353.1424606438. The cubic root of 1112432112 is about 1036.1544717812.

Adding to 1112432112 its reverse (2112342111), we get a palindrome (3224774223).

Subtracting 1112432112 from its reverse (2112342111), we obtain a palindrome (999909999).

The spelling of 1112432112 in words is "one billion, one hundred twelve million, four hundred thirty-two thousand, one hundred twelve".