220212201222210 has 128 divisors (see below), whose sum is σ = 543681122181120. Its totient is φ = 57060910713600.

The previous prime is 220212201222199. The next prime is 220212201222241. The reversal of 220212201222210 is 12222102212022.

It is a super-2 number, since 2×220212201222210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2879644275 + ... + 2879720745.

It is an arithmetic number, because the mean of its divisors is an integer number (4247508767040).

Almost surely, 2^{220212201222210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220212201222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271840561090560).

220212201222210 is an abundant number, since it is smaller than the sum of its proper divisors (323468920958910).

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

220212201222210 is a wasteful number, since it uses less digits than its factorization.

220212201222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95584.

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

Adding to 220212201222210 its reverse (12222102212022), we get a palindrome (232434303434232).

The spelling of 220212201222210 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred one million, two hundred twenty-two thousand, two hundred ten".