12222100010212 has 24 divisors (see below), whose sum is σ = 22079840170752. Its totient is φ = 5913595816800.

The previous prime is 12222100010207. The next prime is 12222100010233. The reversal of 12222100010212 is 21201000122221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412738 + ... + 4961305.

It is an arithmetic number, because the mean of its divisors is an integer number (919993340448).

Almost surely, 2^{12222100010212} is an apocalyptic number.

It is an amenable number.

12222100010212 is a deficient number, since it is larger than the sum of its proper divisors (9857740160540).

12222100010212 is a wasteful number, since it uses less digits than its factorization.

12222100010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392419 (or 5392417 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12222100010212 its reverse (21201000122221), we get a palindrome (33423100132433).

The spelling of 12222100010212 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, ten thousand, two hundred twelve".