220010221212 has 24 divisors (see below), whose sum is σ = 513394422912. Its totient is φ = 73331420400.

The previous prime is 220010221183. The next prime is 220010221271. The reversal of 220010221212 is 212122010022.

220010221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220010221191 and 220010221200.

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 7 ways as a sum of consecutive naturals, for example, 490864 + ... + 825207.

It is an arithmetic number, because the mean of its divisors is an integer number (21391434288).

Almost surely, 2^220010221212 is an apocalyptic number.

It is an amenable number.

220010221212 is an abundant number, since it is smaller than the sum of its proper divisors (293384201700).

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

220010221212 is a wasteful number, since it uses less digits than its factorization.

220010221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330009 (or 1330007 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220010221212 its reverse (212122010022), we get a palindrome (432132231234).

The spelling of 220010221212 in words is "two hundred twenty billion, ten million, two hundred twenty-one thousand, two hundred twelve".