212020312111210 has 16 divisors (see below), whose sum is σ = 385203258641376. Its totient is φ = 84015525546448.

The previous prime is 212020312111189. The next prime is 212020312111211. The reversal of 212020312111210 is 12111213020212.

It is a super-3 number, since 3×212020312111210³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (212020312111211) 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 7 ways as a sum of consecutive naturals, for example, 99074911132 + ... + 99074913271.

It is an arithmetic number, because the mean of its divisors is an integer number (24075203665086).

Almost surely, 2^{212020312111210} is an apocalyptic number.

212020312111210 is a deficient number, since it is larger than the sum of its proper divisors (173182946530166).

212020312111210 is a wasteful number, since it uses less digits than its factorization.

212020312111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198149824517.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212020312111210 its reverse (12111213020212), we get a palindrome (224131525131422).

The spelling of 212020312111210 in words is "two hundred twelve trillion, twenty billion, three hundred twelve million, one hundred eleven thousand, two hundred ten".