12223230128 has 80 divisors (see below), whose sum is σ = 24523430400. Its totient is φ = 5899296000.

The previous prime is 12223230121. The next prime is 12223230143. The reversal of 12223230128 is 82103232221.

It is a junction number, because it is equal to n+sod(n) for n = 12223230097 and 12223230106.

It is not an unprimeable number, because it can be changed into a prime (12223230121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18718250 + ... + 18718902.

It is an arithmetic number, because the mean of its divisors is an integer number (306542880).

Almost surely, 2^12223230128 is an apocalyptic number.

It is an amenable number.

12223230128 is an abundant number, since it is smaller than the sum of its proper divisors (12300200272).

12223230128 is a wasteful number, since it uses less digits than its factorization.

12223230128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12223230128 its reverse (82103232221), we get a palindrome (94326462349).

The spelling of 12223230128 in words is "twelve billion, two hundred twenty-three million, two hundred thirty thousand, one hundred twenty-eight".