201222212000 has 96 divisors (see below), whose sum is σ = 500360462784. Its totient is φ = 79519008000.

The previous prime is 201222211991. The next prime is 201222212011. The reversal of 201222212000 is 212222102.

201222212000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 28955 + ... + 635045.

It is an arithmetic number, because the mean of its divisors is an integer number (5212088154).

Almost surely, 2^201222212000 is an apocalyptic number.

201222212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201222212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250180231392).

201222212000 is an abundant number, since it is smaller than the sum of its proper divisors (299138250784).

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

201222212000 is an equidigital number, since it uses as much as digits as its factorization.

201222212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606199 (or 606181 counting only the distinct ones).

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

Adding to 201222212000 its reverse (212222102), we get a palindrome (201434434102).

The spelling of 201222212000 in words is "two hundred one billion, two hundred twenty-two million, two hundred twelve thousand".