12210222133212 has 48 divisors (see below), whose sum is σ = 29264933709312. Its totient is φ = 3959984257920.

The previous prime is 12210222133201. The next prime is 12210222133229. The reversal of 12210222133212 is 21233122201221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33630778 + ... + 33991905.

It is an arithmetic number, because the mean of its divisors is an integer number (609686118944).

Almost surely, 2^{12210222133212} is an apocalyptic number.

12210222133212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210222133212 is an abundant number, since it is smaller than the sum of its proper divisors (17054711576100).

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

12210222133212 is a wasteful number, since it uses less digits than its factorization.

12210222133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67623098 (or 67623096 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12210222133212 its reverse (21233122201221), we get a palindrome (33443344334433).

The spelling of 12210222133212 in words is "twelve trillion, two hundred ten billion, two hundred twenty-two million, one hundred thirty-three thousand, two hundred twelve".