12210120000212 has 36 divisors (see below), whose sum is σ = 22561958100276. Its totient is φ = 5781063156480.

The previous prime is 12210120000179. The next prime is 12210120000263. The reversal of 12210120000212 is 21200002101221.

It can be written as a sum of positive squares in 2 ways, for example, as 10354983383056 + 1855136617156 = 3217916^2 + 1362034^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164038 + ... + 5076930.

It is an arithmetic number, because the mean of its divisors is an integer number (626721058341).

Almost surely, 2^{12210120000212} is an apocalyptic number.

It is an amenable number.

12210120000212 is a deficient number, since it is larger than the sum of its proper divisors (10351838100064).

12210120000212 is a wasteful number, since it uses less digits than its factorization.

12210120000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915096 (or 3915075 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210120000212 its reverse (21200002101221), we get a palindrome (33410122101433).

The spelling of 12210120000212 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, two hundred twelve", and thus it is an aban number.