12102223212212 has 36 divisors (see below), whose sum is σ = 24645227201280. Its totient is φ = 5184865297584.

The previous prime is 12102223212203. The next prime is 12102223212217. The reversal of 12102223212212 is 21221232220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102223212217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10159238 + ... + 11287805.

It is an arithmetic number, because the mean of its divisors is an integer number (684589644480).

Almost surely, 2^{12102223212212} is an apocalyptic number.

It is an amenable number.

12102223212212 is an abundant number, since it is smaller than the sum of its proper divisors (12543003989068).

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

12102223212212 is a wasteful number, since it uses less digits than its factorization.

12102223212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21449940 (or 21449931 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12102223212212 its reverse (21221232220121), we get a palindrome (33323455432333).

The spelling of 12102223212212 in words is "twelve trillion, one hundred two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred twelve".