201222012200 has 96 divisors (see below), whose sum is σ = 510479068320. Its totient is φ = 73156320000.

The previous prime is 201222012179. The next prime is 201222012209. The reversal of 201222012200 is 2210222102.

201222012200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201222012209) 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 23 ways as a sum of consecutive naturals, for example, 19995170 + ... + 20005230.

It is an arithmetic number, because the mean of its divisors is an integer number (5317490295).

Almost surely, 2^201222012200 is an apocalyptic number.

201222012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222012200 is an abundant number, since it is smaller than the sum of its proper divisors (309257056120).

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

201222012200 is a wasteful number, since it uses less digits than its factorization.

201222012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19179 (or 19170 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201222012200 its reverse (2210222102), we get a palindrome (203432234302).

It can be divided in two parts, 20122 and 2012200, that multiplied together give a square (40489488400 = 201220²).

The spelling of 201222012200 in words is "two hundred one billion, two hundred twenty-two million, twelve thousand, two hundred".