12230203122 has 96 divisors (see below), whose sum is σ = 28002723840. Its totient is φ = 3999799440.

The previous prime is 12230203109. The next prime is 12230203127. The reversal of 12230203122 is 22130203221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12230203095 and 12230203104.

It is not an unprimeable number, because it can be changed into a prime (12230203127) 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 47 ways as a sum of consecutive naturals, for example, 8246193 + ... + 8247675.

It is an arithmetic number, because the mean of its divisors is an integer number (291695040).

Almost surely, 2^12230203122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12230203122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14001361920).

12230203122 is an abundant number, since it is smaller than the sum of its proper divisors (15772520718).

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

12230203122 is a wasteful number, since it uses less digits than its factorization.

12230203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1798 counting only the distinct ones).

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

Adding to 12230203122 its reverse (22130203221), we get a palindrome (34360406343).

Subtracting 12230203122 from its reverse (22130203221), we obtain a palindrome (9900000099).

The spelling of 12230203122 in words is "twelve billion, two hundred thirty million, two hundred three thousand, one hundred twenty-two".