2020011209999 has 2 divisors, whose sum is σ = 2020011210000. Its totient is φ = 2020011209998.

The previous prime is 2020011209971. The next prime is 2020011210089. The reversal of 2020011209999 is 9999021100202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020011209999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020011209299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005604999 + 1010005605000.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005605000).

Almost surely, 2^{2020011209999} is an apocalyptic number.

2020011209999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020011209999 is an equidigital number, since it uses as much as digits as its factorization.

2020011209999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 2020011209999 in words is "two trillion, twenty billion, eleven million, two hundred nine thousand, nine hundred ninety-nine".