12232120230 has 160 divisors (see below), whose sum is σ = 35967317760. Its totient is φ = 2958223680.

The previous prime is 12232120223. The next prime is 12232120231. The reversal of 12232120230 is 3202123221.

12232120230 is a `hidden beast` number, since 1 + 223 + 212 + 0 + 230 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4337761 + ... + 4340579.

It is an arithmetic number, because the mean of its divisors is an integer number (224795736).

Almost surely, 2^12232120230 is an apocalyptic number.

12232120230 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 12232120230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17983658880).

12232120230 is an abundant number, since it is smaller than the sum of its proper divisors (23735197530).

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

12232120230 is a wasteful number, since it uses less digits than its factorization.

12232120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3327 counting only the distinct ones).

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

Adding to 12232120230 its reverse (3202123221), we get a palindrome (15434243451).

The spelling of 12232120230 in words is "twelve billion, two hundred thirty-two million, one hundred twenty thousand, two hundred thirty".