212102200022220 has 192 divisors, whose sum is σ = 697584835584000. Its totient is φ = 53353740068352.

The previous prime is 212102200022197. The next prime is 212102200022281. The reversal of 212102200022220 is 22220002201212.

212102200022220 is a `hidden beast` number, since 212 + 10 + 2 + 200 + 0 + 22 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 212102200022193 and 212102200022202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41971500 + ... + 46752659.

It is an arithmetic number, because the mean of its divisors is an integer number (3633254352000).

Almost surely, 2^{212102200022220} is an apocalyptic number.

212102200022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102200022220 is an abundant number, since it is smaller than the sum of its proper divisors (485482635561780).

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

212102200022220 is a wasteful number, since it uses less digits than its factorization.

212102200022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88724429 (or 88724421 counting only the distinct ones).

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

Adding to 212102200022220 its reverse (22220002201212), we get a palindrome (234322202223432).

The spelling of 212102200022220 in words is "two hundred twelve trillion, one hundred two billion, two hundred million, twenty-two thousand, two hundred twenty".