12011220199 has 16 divisors (see below), whose sum is σ = 13387345920. Its totient is φ = 10684820160.

The previous prime is 12011220197. The next prime is 12011220223. The reversal of 12011220199 is 99102211021.

It is a cyclic number.

It is not a de Polignac number, because 12011220199 - 2¹ = 12011220197 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 (12011220197) 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, 43092 + ... + 160870.

It is an arithmetic number, because the mean of its divisors is an integer number (836709120).

Almost surely, 2^12011220199 is an apocalyptic number.

12011220199 is a deficient number, since it is larger than the sum of its proper divisors (1376125721).

12011220199 is a wasteful number, since it uses less digits than its factorization.

12011220199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117990.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 12011220199 in words is "twelve billion, eleven million, two hundred twenty thousand, one hundred ninety-nine".