12212120222212 has 12 divisors (see below), whose sum is σ = 21409169913936. Its totient is φ = 6095214532520.

The previous prime is 12212120222189. The next prime is 12212120222227. The reversal of 12212120222212 is 21222202121221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711392114 + ... + 2711396617.

It is an arithmetic number, because the mean of its divisors is an integer number (1784097492828).

Almost surely, 2^{12212120222212} is an apocalyptic number.

It is an amenable number.

12212120222212 is a deficient number, since it is larger than the sum of its proper divisors (9197049691724).

12212120222212 is a wasteful number, since it uses less digits than its factorization.

12212120222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422789298 (or 5422789296 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12212120222212 its reverse (21222202121221), we get a palindrome (33434322343433).

The spelling of 12212120222212 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".