12320203230 has 48 divisors (see below), whose sum is σ = 33425252640. Its totient is φ = 3142544064.

The previous prime is 12320203213. The next prime is 12320203321. The reversal of 12320203230 is 3230202321.

It is a happy number.

12320203230 is a `hidden beast` number, since 1 + 2 + 320 + 20 + 323 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2973825 + ... + 2977964.

It is an arithmetic number, because the mean of its divisors is an integer number (696359430).

Almost surely, 2^12320203230 is an apocalyptic number.

12320203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320203230 is an abundant number, since it is smaller than the sum of its proper divisors (21105049410).

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

12320203230 is a wasteful number, since it uses less digits than its factorization.

12320203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951825 (or 5951822 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12320203230 its reverse (3230202321), we get a palindrome (15550405551).

Subtracting from 12320203230 its reverse (3230202321), we obtain a palindrome (9090000909).

The spelling of 12320203230 in words is "twelve billion, three hundred twenty million, two hundred three thousand, two hundred thirty".