12232044 has 144 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 3294720.

The previous prime is 12232039. The next prime is 12232049. The reversal of 12232044 is 44023221.

It is an interprime number because it is at equal distance from previous prime (12232039) and next prime (12232049).

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

It is not an unprimeable number, because it can be changed into a prime (12232049) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 154797 + ... + 154875.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

Almost surely, 2^12232044 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 12232044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

12232044 is an abundant number, since it is smaller than the sum of its proper divisors (25507476).

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

12232044 is a wasteful number, since it uses less digits than its factorization.

12232044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12232044 is about 3497.4339164593. The cubic root of 12232044 is about 230.4091268809.

Adding to 12232044 its reverse (44023221), we get a palindrome (56255265).

The spelling of 12232044 in words is "twelve million, two hundred thirty-two thousand, forty-four".