12212112200111 has 12 divisors (see below), whose sum is σ = 13014441233040. Its totient is φ = 11456795170560.

The previous prime is 12212112200059. The next prime is 12212112200131. The reversal of 12212112200111 is 11100221121221.

It is not a de Polignac number, because 12212112200111 - 2³⁸ = 11937234293167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212112200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212112200131) by changing a digit.

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, 67846526 + ... + 68026283.

It is an arithmetic number, because the mean of its divisors is an integer number (1084536769420).

Almost surely, 2^{12212112200111} is an apocalyptic number.

12212112200111 is a deficient number, since it is larger than the sum of its proper divisors (802329032929).

12212112200111 is a wasteful number, since it uses less digits than its factorization.

12212112200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135873154 (or 135873137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212112200111 its reverse (11100221121221), we get a palindrome (23312333321332).

The spelling of 12212112200111 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, two hundred thousand, one hundred eleven".