212222002120200 has 96 divisors (see below), whose sum is σ = 730986896210400. Its totient is φ = 56592533897280.

The previous prime is 212222002120187. The next prime is 212222002120201. The reversal of 212222002120200 is 2021200222212.

212222002120200 is a `hidden beast` number, since 2 + 1 + 222 + 200 + 21 + 20 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212222002120201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19650179982 + ... + 19650190781.

It is an arithmetic number, because the mean of its divisors is an integer number (7614446835525).

Almost surely, 2^{212222002120200} is an apocalyptic number.

212222002120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222002120200 is an abundant number, since it is smaller than the sum of its proper divisors (518764894090200).

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

212222002120200 is a wasteful number, since it uses less digits than its factorization.

212222002120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39300370788 (or 39300370773 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212222002120200 its reverse (2021200222212), we get a palindrome (214243202342412).

The spelling of 212222002120200 in words is "two hundred twelve trillion, two hundred twenty-two billion, two million, one hundred twenty thousand, two hundred".