220022220122012 has 96 divisors (see below), whose sum is σ = 491768395292160. Its totient is φ = 83630198016000.

The previous prime is 220022220121993. The next prime is 220022220122017. The reversal of 220022220122012 is 210221022220022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022220122017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618834212 + ... + 619189652.

It is an arithmetic number, because the mean of its divisors is an integer number (5122587450960).

Almost surely, 2^{220022220122012} is an apocalyptic number.

220022220122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220022220122012 is an abundant number, since it is smaller than the sum of its proper divisors (271746175170148).

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

220022220122012 is a wasteful number, since it uses less digits than its factorization.

220022220122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404523 (or 404521 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220022220122012 its reverse (210221022220022), we get a palindrome (430243242342034).

The spelling of 220022220122012 in words is "two hundred twenty trillion, twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, twelve".