12222211100212 has 12 divisors (see below), whose sum is σ = 21448448451360. Its totient is φ = 6094082971256.

The previous prime is 12222211100149. The next prime is 12222211100291. The reversal of 12222211100212 is 21200111222221.

It is a self number, because there is not a number n which added to its sum of digits gives 12222211100212.

It is a congruent number.

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, 4255643098 + ... + 4255645969.

It is an arithmetic number, because the mean of its divisors is an integer number (1787370704280).

Almost surely, 2^{12222211100212} is an apocalyptic number.

It is an amenable number.

12222211100212 is a deficient number, since it is larger than the sum of its proper divisors (9226237351148).

12222211100212 is a wasteful number, since it uses less digits than its factorization.

12222211100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511289430 (or 8511289428 counting only the distinct ones).

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

Adding to 12222211100212 its reverse (21200111222221), we get a palindrome (33422322322433).

The spelling of 12222211100212 in words is "twelve trillion, two hundred twenty-two billion, two hundred eleven million, one hundred thousand, two hundred twelve".