12200001111111 has 64 divisors (see below), whose sum is σ = 18967667222016. Its totient is φ = 6892961894400.

The previous prime is 12200001111101. The next prime is 12200001111113. The reversal of 12200001111111 is 11111110000221.

It is not a de Polignac number, because 12200001111111 - 2⁵ = 12200001111079 is a prime.

It is a super-2 number, since 2×12200001111111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200001111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 651943891 + ... + 651962603.

It is an arithmetic number, because the mean of its divisors is an integer number (296369800344).

Almost surely, 2^{12200001111111} is an apocalyptic number.

12200001111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12200001111111 is a deficient number, since it is larger than the sum of its proper divisors (6767666110905).

12200001111111 is a wasteful number, since it uses less digits than its factorization.

12200001111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29712.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12200001111111 its reverse (11111110000221), we get a palindrome (23311111111332).

The spelling of 12200001111111 in words is "twelve trillion, two hundred billion, one million, one hundred eleven thousand, one hundred eleven".