12111201221199 has 16 divisors (see below), whose sum is σ = 17998069927680. Its totient is φ = 7199227969920.

The previous prime is 12111201221173. The next prime is 12111201221221. The reversal of 12111201221199 is 99112210211121.

It is not a de Polignac number, because 12111201221199 - 2¹⁵ = 12111201188431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111201221159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6249328867 + ... + 6249330804.

It is an arithmetic number, because the mean of its divisors is an integer number (1124879370480).

Almost surely, 2^{12111201221199} is an apocalyptic number.

12111201221199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12111201221199 is a deficient number, since it is larger than the sum of its proper divisors (5886868706481).

12111201221199 is a wasteful number, since it uses less digits than its factorization.

12111201221199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12498659710.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 12111201221199 in words is "twelve trillion, one hundred eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred ninety-nine".