220102211212 has 18 divisors (see below), whose sum is σ = 417087179628. Its totient is φ = 101585635632.

The previous prime is 220102211117. The next prime is 220102211221. The reversal of 220102211212 is 212112201022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162796818 + ... + 162798169.

Almost surely, 2^220102211212 is an apocalyptic number.

It is an amenable number.

220102211212 is a deficient number, since it is larger than the sum of its proper divisors (196984968416).

220102211212 is a wasteful number, since it uses less digits than its factorization.

220102211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325595017 (or 325595002 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220102211212 its reverse (212112201022), we get a palindrome (432214412234).

The spelling of 220102211212 in words is "two hundred twenty billion, one hundred two million, two hundred eleven thousand, two hundred twelve".