It is a happy number.
It is an unprimeable number.
Almost surely, 2123221300322 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123221300322 is a wasteful number, since it uses less digits than its factorization.
123221300322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34171793.
Adding to 123221300322 its reverse (223003122321), we get a palindrome (346224422643).
The spelling of 123221300322 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thousand, three hundred twenty-two".