1200202222112 has 48 divisors (see below), whose sum is σ = 2424163230720. Its totient is φ = 584614609152.

The previous prime is 1200202222111. The next prime is 1200202222129. The reversal of 1200202222112 is 2112222020021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1200202222111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611687 + ... + 1665702.

It is an arithmetic number, because the mean of its divisors is an integer number (50503400640).

Almost surely, 2^{1200202222112} is an apocalyptic number.

It is an amenable number.

1200202222112 is an abundant number, since it is smaller than the sum of its proper divisors (1223961008608).

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

1200202222112 is a wasteful number, since it uses less digits than its factorization.

1200202222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277825 (or 2277817 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1200202222112 its reverse (2112222020021), we get a palindrome (3312424242133).

The spelling of 1200202222112 in words is "one trillion, two hundred billion, two hundred two million, two hundred twenty-two thousand, one hundred twelve".