212021222022200 has 48 divisors (see below), whose sum is σ = 493082680584480. Its totient is φ = 84785548700160.

The previous prime is 212021222022109. The next prime is 212021222022227. The reversal of 212021222022200 is 2220222120212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142634432 + ... + 144113231.

It is an arithmetic number, because the mean of its divisors is an integer number (10272555845510).

Almost surely, 2^{212021222022200} is an apocalyptic number.

212021222022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021222022200 is an abundant number, since it is smaller than the sum of its proper divisors (281061458562280).

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

212021222022200 is a wasteful number, since it uses less digits than its factorization.

212021222022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286751376 (or 286751367 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212021222022200 its reverse (2220222120212), we get a palindrome (214241444142412).

The spelling of 212021222022200 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-two million, twenty-two thousand, two hundred".