12102202212 has 12 divisors (see below), whose sum is σ = 28238471856. Its totient is φ = 4034067400.

The previous prime is 12102202181. The next prime is 12102202219. The reversal of 12102202212 is 21220220121.

12102202212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12102202191 and 12102202200.

It is not an unprimeable number, because it can be changed into a prime (12102202219) by changing a digit.

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, 504258414 + ... + 504258437.

It is an arithmetic number, because the mean of its divisors is an integer number (2353205988).

Almost surely, 2^12102202212 is an apocalyptic number.

12102202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102202212 is an abundant number, since it is smaller than the sum of its proper divisors (16136269644).

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

12102202212 is a wasteful number, since it uses less digits than its factorization.

12102202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008516858 (or 1008516856 counting only the distinct ones).

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

Adding to 12102202212 its reverse (21220220121), we get a palindrome (33322422333).

The spelling of 12102202212 in words is "twelve billion, one hundred two million, two hundred two thousand, two hundred twelve".