12231202230 has 128 divisors (see below), whose sum is σ = 35170208640. Its totient is φ = 3006927360.

The previous prime is 12231202229. The next prime is 12231202231. The reversal of 12231202230 is 3220213221.

12231202230 is a `hidden beast` number, since 1 + 2 + 231 + 202 + 230 = 666.

12231202230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12231202229) and next prime (12231202231).

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 (12231202231) 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 63 ways as a sum of consecutive naturals, for example, 3582004 + ... + 3585416.

It is an arithmetic number, because the mean of its divisors is an integer number (274767255).

Almost surely, 2^12231202230 is an apocalyptic number.

12231202230 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 12231202230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17585104320).

12231202230 is an abundant number, since it is smaller than the sum of its proper divisors (22939006410).

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

12231202230 is a wasteful number, since it uses less digits than its factorization.

12231202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12231202230 its reverse (3220213221), we get a palindrome (15451415451).

The spelling of 12231202230 in words is "twelve billion, two hundred thirty-one million, two hundred two thousand, two hundred thirty".