212220212202210 has 32 divisors (see below), whose sum is σ = 517961195887680. Its totient is φ = 55632869187008.

The previous prime is 212220212202203. The next prime is 212220212202259. The reversal of 212220212202210 is 12202212022212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59949210717 + ... + 59949214256.

It is an arithmetic number, because the mean of its divisors is an integer number (16186287371490).

Almost surely, 2^{212220212202210} is an apocalyptic number.

212220212202210 is an abundant number, since it is smaller than the sum of its proper divisors (305740983685470).

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

212220212202210 is a wasteful number, since it uses less digits than its factorization.

212220212202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119898425042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212220212202210 its reverse (12202212022212), we get a palindrome (224422424224422).

The spelling of 212220212202210 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred twelve million, two hundred two thousand, two hundred ten".