12200001201111 has 4 divisors (see below), whose sum is σ = 16266668268152. Its totient is φ = 8133334134072.

The previous prime is 12200001201083. The next prime is 12200001201137. The reversal of 12200001201111 is 11110210000221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12200001201111 - 2¹⁹ = 12200000676823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200001201911) 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 3 ways as a sum of consecutive naturals, for example, 2033333533516 + ... + 2033333533521.

It is an arithmetic number, because the mean of its divisors is an integer number (4066667067038).

Almost surely, 2^{12200001201111} is an apocalyptic number.

12200001201111 is a deficient number, since it is larger than the sum of its proper divisors (4066667067041).

12200001201111 is an equidigital number, since it uses as much as digits as its factorization.

12200001201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066667067040.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12200001201111 its reverse (11110210000221), we get a palindrome (23310211201332).

The spelling of 12200001201111 in words is "twelve trillion, two hundred billion, one million, two hundred one thousand, one hundred eleven".