212011110210210 has 16 divisors (see below), whose sum is σ = 508826664504576. Its totient is φ = 56536296056048.

The previous prime is 212011110210167. The next prime is 212011110210239. The reversal of 212011110210210 is 12012011110212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212011110210210.

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 7 ways as a sum of consecutive naturals, for example, 3533518503474 + ... + 3533518503533.

It is an arithmetic number, because the mean of its divisors is an integer number (31801666531536).

Almost surely, 2^{212011110210210} is an apocalyptic number.

212011110210210 is an abundant number, since it is smaller than the sum of its proper divisors (296815554294366).

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

212011110210210 is a wasteful number, since it uses less digits than its factorization.

212011110210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067037007017.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212011110210210 its reverse (12012011110212), we get a palindrome (224023121320422).

The spelling of 212011110210210 in words is "two hundred twelve trillion, eleven billion, one hundred ten million, two hundred ten thousand, two hundred ten".