212222011100200 has 48 divisors (see below), whose sum is σ = 505450716700860. Its totient is φ = 82818345792000.

The previous prime is 212222011100173. The next prime is 212222011100207. The reversal of 212222011100200 is 2001110222212.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23055381766404 + 189166629333796 = 4801602^2 + 13753786^2 .

It is not an unprimeable number, because it can be changed into a prime (212222011100207) 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 11 ways as a sum of consecutive naturals, for example, 12940358331 + ... + 12940374730.

Almost surely, 2^{212222011100200} is an apocalyptic number.

212222011100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222011100200 is an abundant number, since it is smaller than the sum of its proper divisors (293228705600660).

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

212222011100200 is a wasteful number, since it uses less digits than its factorization.

212222011100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25880733118 (or 25880733109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212222011100200 its reverse (2001110222212), we get a palindrome (214223121322412).

The spelling of 212222011100200 in words is "two hundred twelve trillion, two hundred twenty-two billion, eleven million, one hundred thousand, two hundred".