220000220212 has 12 divisors (see below), whose sum is σ = 385146624996. Its totient is φ = 109958327360.

The previous prime is 220000220177. The next prime is 220000220249. The reversal of 220000220212 is 212022000022.

It can be written as a sum of positive squares in 2 ways, for example, as 106044014736 + 113956205476 = 325644^2 + 337574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220000220192 and 220000220201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10433839 + ... + 10454902.

It is an arithmetic number, because the mean of its divisors is an integer number (32095552083).

Almost surely, 2^220000220212 is an apocalyptic number.

It is an amenable number.

220000220212 is a deficient number, since it is larger than the sum of its proper divisors (165146404784).

220000220212 is a wasteful number, since it uses less digits than its factorization.

220000220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20891378 (or 20891376 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220000220212 its reverse (212022000022), we get a palindrome (432022220234).

The spelling of 220000220212 in words is "two hundred twenty billion, two hundred twenty thousand, two hundred twelve".