20124212110199 has 2 divisors, whose sum is σ = 20124212110200. Its totient is φ = 20124212110198.

The previous prime is 20124212110181. The next prime is 20124212110283. The reversal of 20124212110199 is 99101121242102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20124212110199 - 2²⁰ = 20124211061623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20124212110129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062106055099 + 10062106055100.

It is an arithmetic number, because the mean of its divisors is an integer number (10062106055100).

Almost surely, 2^{20124212110199} is an apocalyptic number.

20124212110199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20124212110199 is an equidigital number, since it uses as much as digits as its factorization.

20124212110199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 20124212110199 in words is "twenty trillion, one hundred twenty-four billion, two hundred twelve million, one hundred ten thousand, one hundred ninety-nine".