201220200112 has 80 divisors (see below), whose sum is σ = 413244264960. Its totient is φ = 94651704576.

The previous prime is 201220200067. The next prime is 201220200127. The reversal of 201220200112 is 211002022102.

It is a happy number.

201220200112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201220200112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201220200092 and 201220200101.

It is an unprimeable number.

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, 59059113 + ... + 59062519.

It is an arithmetic number, because the mean of its divisors is an integer number (5165553312).

Almost surely, 2^201220200112 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 201220200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206622132480).

201220200112 is an abundant number, since it is smaller than the sum of its proper divisors (212024064848).

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

201220200112 is a wasteful number, since it uses less digits than its factorization.

201220200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201220200112 its reverse (211002022102), we get a palindrome (412222222214).

The spelling of 201220200112 in words is "two hundred one billion, two hundred twenty million, two hundred thousand, one hundred twelve".