1113212232 has 96 divisors (see below), whose sum is σ = 3395208960. Its totient is φ = 326448000.

The previous prime is 1113212137. The next prime is 1113212273. The reversal of 1113212232 is 2322123111.

1113212232 is a `hidden beast` number, since 111 + 321 + 2 + 232 = 666.

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 an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1882 + ... + 47222.

It is an arithmetic number, because the mean of its divisors is an integer number (35366760).

Almost surely, 2^1113212232 is an apocalyptic number.

1113212232 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 1113212232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697604480).

1113212232 is an abundant number, since it is smaller than the sum of its proper divisors (2281996728).

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

1113212232 is a wasteful number, since it uses less digits than its factorization.

1113212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45395 (or 45388 counting only the distinct ones).

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

The square root of 1113212232 is about 33364.8352610949. The cubic root of 1113212232 is about 1036.3966246697.

Adding to 1113212232 its reverse (2322123111), we get a palindrome (3435335343).

The spelling of 1113212232 in words is "one billion, one hundred thirteen million, two hundred twelve thousand, two hundred thirty-two".