1200201112 has 64 divisors (see below), whose sum is σ = 2513008800. Its totient is φ = 532746240.

The previous prime is 1200201097. The next prime is 1200201113. The reversal of 1200201112 is 2111020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200201113) 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, 1291464 + ... + 1292392.

Almost surely, 2^1200201112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256504400).

1200201112 is an abundant number, since it is smaller than the sum of its proper divisors (1312807688).

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

1200201112 is a wasteful number, since it uses less digits than its factorization.

1200201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1200201112 is about 34643.9188314486. The cubic root of 1200201112 is about 1062.7179306971.

Adding to 1200201112 its reverse (2111020021), we get a palindrome (3311221133).

The spelling of 1200201112 in words is "one billion, two hundred million, two hundred one thousand, one hundred twelve".