1112312232 has 48 divisors (see below), whose sum is σ = 3014051040. Its totient is φ = 370581408.

The previous prime is 1112312213. The next prime is 1112312233. The reversal of 1112312232 is 2322132111.

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 not an unprimeable number, because it can be changed into a prime (1112312233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257563 + ... + 261845.

It is an arithmetic number, because the mean of its divisors is an integer number (62792730).

Almost surely, 2^1112312232 is an apocalyptic number.

1112312232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112312232 is an abundant number, since it is smaller than the sum of its proper divisors (1901738808).

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

1112312232 is a wasteful number, since it uses less digits than its factorization.

1112312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902 (or 7895 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1112312232 is about 33351.3452802132. The cubic root of 1112312232 is about 1036.1172504356.

Adding to 1112312232 its reverse (2322132111), we get a palindrome (3434444343).

The spelling of 1112312232 in words is "one billion, one hundred twelve million, three hundred twelve thousand, two hundred thirty-two".