Adding to 1323120122 its reverse (2210213231), we get a palindrome (3533333353).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1323120122.
It is an unprimeable number.
Almost surely, 21323120122 is an apocalyptic number.
1323120122 is a wasteful number, since it uses less digits than its factorization.
1323120122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75940.
The square root of 1323120122 is about 36374.7181707295. The cubic root of 1323120122 is about 1097.8249367271.
The spelling of 1323120122 in words is "one billion, three hundred twenty-three million, one hundred twenty thousand, one hundred twenty-two".