212211022202200 has 72 divisors (see below), whose sum is σ = 573944198339700. Its totient is φ = 72758064751680.

The previous prime is 212211022202107. The next prime is 212211022202209. The reversal of 212211022202200 is 2202220112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211022202209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10827083170 + ... + 10827102769.

Almost surely, 2^{212211022202200} is an apocalyptic number.

212211022202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212211022202200 is an abundant number, since it is smaller than the sum of its proper divisors (361733176137500).

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

212211022202200 is a wasteful number, since it uses less digits than its factorization.

212211022202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21654185969 (or 21654185953 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212211022202200 its reverse (2202220112212), we get a palindrome (214413242314412).

The spelling of 212211022202200 in words is "two hundred twelve trillion, two hundred eleven billion, twenty-two million, two hundred two thousand, two hundred".