20001202120199 has 2 divisors, whose sum is σ = 20001202120200. Its totient is φ = 20001202120198.

The previous prime is 20001202120181. The next prime is 20001202120219. The reversal of 20001202120199 is 99102120210002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001202120199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001202150199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000601060099 + 10000601060100.

It is an arithmetic number, because the mean of its divisors is an integer number (10000601060100).

Almost surely, 2^{20001202120199} is an apocalyptic number.

20001202120199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001202120199 is an equidigital number, since it uses as much as digits as its factorization.

20001202120199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20001202120199 in words is "twenty trillion, one billion, two hundred two million, one hundred twenty thousand, one hundred ninety-nine".