12020010199 has 4 divisors (see below), whose sum is σ = 12020674464. Its totient is φ = 12019345936.

The previous prime is 12020010187. The next prime is 12020010209. The reversal of 12020010199 is 99101002021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020010199 - 2³¹ = 9872526551 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 (12020016199) 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 3 ways as a sum of consecutive naturals, for example, 304207 + ... + 341440.

It is an arithmetic number, because the mean of its divisors is an integer number (3005168616).

Almost surely, 2^12020010199 is an apocalyptic number.

12020010199 is a deficient number, since it is larger than the sum of its proper divisors (664265).

12020010199 is an equidigital number, since it uses as much as digits as its factorization.

12020010199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664264.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 12020010199 in words is "twelve billion, twenty million, ten thousand, one hundred ninety-nine".