212122112201210 has 32 divisors (see below), whose sum is σ = 384110738347392. Its totient is φ = 84339760050880.

The previous prime is 212122112201203. The next prime is 212122112201267. The reversal of 212122112201210 is 12102211221212.

It is a super-3 number, since 3×212122112201210³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 147720080 + ... + 149149140.

It is an arithmetic number, because the mean of its divisors is an integer number (12003460573356).

Almost surely, 2^{212122112201210} is an apocalyptic number.

212122112201210 is a deficient number, since it is larger than the sum of its proper divisors (171988626146182).

212122112201210 is a wasteful number, since it uses less digits than its factorization.

212122112201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518118.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212122112201210 its reverse (12102211221212), we get a palindrome (224224323422422).

The spelling of 212122112201210 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred twelve million, two hundred one thousand, two hundred ten".