2020121208997 has 2 divisors, whose sum is σ = 2020121208998. Its totient is φ = 2020121208996.

The previous prime is 2020121208979. The next prime is 2020121209031. The reversal of 2020121208997 is 7998021210202.

It is a happy number.

Together with previous prime (2020121208979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909078309636 + 111042899361 = 1381694^2 + 333231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020121208997 - 2¹⁹ = 2020120684709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020121202997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010060604498 + 1010060604499.

It is an arithmetic number, because the mean of its divisors is an integer number (1010060604499).

Almost surely, 2^{2020121208997} is an apocalyptic number.

It is an amenable number.

2020121208997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020121208997 is an equidigital number, since it uses as much as digits as its factorization.

2020121208997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 2020121208997 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred eight thousand, nine hundred ninety-seven".