212212221020210 has 32 divisors (see below), whose sum is σ = 385766350507584. Its totient is φ = 84043931400000.

The previous prime is 212212221020209. The next prime is 212212221020243. The reversal of 212212221020210 is 12020122212212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194437325 + ... + 195525695.

It is an arithmetic number, because the mean of its divisors is an integer number (12055198453362).

Almost surely, 2^{212212221020210} is an apocalyptic number.

212212221020210 is a deficient number, since it is larger than the sum of its proper divisors (173554129487374).

212212221020210 is a wasteful number, since it uses less digits than its factorization.

212212221020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281530.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212212221020210 its reverse (12020122212212), we get a palindrome (224232343232422).

The spelling of 212212221020210 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-one million, twenty thousand, two hundred ten".