1200201022112 has 96 divisors (see below), whose sum is σ = 2575736392320. Its totient is φ = 548644561920.

The previous prime is 1200201022109. The next prime is 1200201022117. The reversal of 1200201022112 is 2112201020021.

It is not an unprimeable number, because it can be changed into a prime (1200201022117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660373 + ... + 2270955.

It is an arithmetic number, because the mean of its divisors is an integer number (26830587420).

Almost surely, 2^{1200201022112} 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 1200201022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287868196160).

1200201022112 is an abundant number, since it is smaller than the sum of its proper divisors (1375535370208).

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

1200201022112 is a wasteful number, since it uses less digits than its factorization.

1200201022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610726 (or 610718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200201022112 its reverse (2112201020021), we get a palindrome (3312402042133).

The spelling of 1200201022112 in words is "one trillion, two hundred billion, two hundred one million, twenty-two thousand, one hundred twelve".