12220102212 has 12 divisors (see below), whose sum is σ = 28513571856. Its totient is φ = 4073367400.

The previous prime is 12220102177. The next prime is 12220102259. The reversal of 12220102212 is 21220102221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12220102191 and 12220102200.

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 3 ways as a sum of consecutive naturals, for example, 509170914 + ... + 509170937.

It is an arithmetic number, because the mean of its divisors is an integer number (2376130988).

Almost surely, 2^12220102212 is an apocalyptic number.

12220102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220102212 is an abundant number, since it is smaller than the sum of its proper divisors (16293469644).

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

12220102212 is a wasteful number, since it uses less digits than its factorization.

12220102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018341858 (or 1018341856 counting only the distinct ones).

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

Adding to 12220102212 its reverse (21220102221), we get a palindrome (33440204433).

Subtracting 12220102212 from its reverse (21220102221), we obtain a palindrome (9000000009).

The spelling of 12220102212 in words is "twelve billion, two hundred twenty million, one hundred two thousand, two hundred twelve".