12055230 has 144 divisors (see below), whose sum is σ = 36599472. Its totient is φ = 2851200.

The previous prime is 12055207. The next prime is 12055231. The reversal of 12055230 is 3255021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 294010 + ... + 294050.

It is an arithmetic number, because the mean of its divisors is an integer number (254163).

Almost surely, 2^12055230 is an apocalyptic number.

12055230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12055230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18299736).

12055230 is an abundant number, since it is smaller than the sum of its proper divisors (24544242).

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

12055230 is a wasteful number, since it uses less digits than its factorization.

12055230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 12055230 is about 3472.0642275165. The cubic root of 12055230 is about 229.2935475157.

The spelling of 12055230 in words is "twelve million, fifty-five thousand, two hundred thirty".