220212220212 has 96 divisors (see below), whose sum is σ = 576914284800. Its totient is φ = 72634320000.

The previous prime is 220212220181. The next prime is 220212220237. The reversal of 220212220212 is 212022212022.

220212220212 is a `hidden beast` number, since 2 + 20 + 212 + 220 + 212 = 666.

220212220212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22236462 + ... + 22246362.

It is an arithmetic number, because the mean of its divisors is an integer number (6009523800).

Almost surely, 2^220212220212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220212220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288457142400).

220212220212 is an abundant number, since it is smaller than the sum of its proper divisors (356702064588).

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

220212220212 is a wasteful number, since it uses less digits than its factorization.

220212220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054 (or 12046 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220212220212 its reverse (212022212022), we get a palindrome (432234432234).

The spelling of 220212220212 in words is "two hundred twenty billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".