12212122010212 has 12 divisors (see below), whose sum is σ = 21825920188800. Its totient is φ = 5976144813416.

The previous prime is 12212122010189. The next prime is 12212122010227. The reversal of 12212122010212 is 21201022121221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212122010212.

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, 32479047712 + ... + 32479048087.

It is an arithmetic number, because the mean of its divisors is an integer number (1818826682400).

Almost surely, 2^{12212122010212} is an apocalyptic number.

It is an amenable number.

12212122010212 is a deficient number, since it is larger than the sum of its proper divisors (9613798178588).

12212122010212 is a wasteful number, since it uses less digits than its factorization.

12212122010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64958095850 (or 64958095848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212122010212 its reverse (21201022121221), we get a palindrome (33413144131433).

The spelling of 12212122010212 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, ten thousand, two hundred twelve".