210220211200212 has 48 divisors (see below), whose sum is σ = 545082065841600. Its totient is φ = 70064827572960.

The previous prime is 210220211200189. The next prime is 210220211200217. The reversal of 210220211200212 is 212002112022012.

It is a happy number.

210220211200212 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 211 + 20 + 0 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220211200217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 118226787 + ... + 119991722.

It is an arithmetic number, because the mean of its divisors is an integer number (11355876371700).

Almost surely, 2^{210220211200212} is an apocalyptic number.

It is an amenable number.

210220211200212 is an abundant number, since it is smaller than the sum of its proper divisors (334861854641388).

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

210220211200212 is a wasteful number, since it uses less digits than its factorization.

210220211200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238226693 (or 238226685 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210220211200212 its reverse (212002112022012), we get a palindrome (422222323222224).

The spelling of 210220211200212 in words is "two hundred ten trillion, two hundred twenty billion, two hundred eleven million, two hundred thousand, two hundred twelve".