2020112120197 has 2 divisors, whose sum is σ = 2020112120198. Its totient is φ = 2020112120196.

The previous prime is 2020112120179. The next prime is 2020112120207. The reversal of 2020112120197 is 7910212110202.

Together with previous prime (2020112120179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755436855041 + 264675265156 = 1324929^2 + 514466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020112120197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020112124197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010056060098 + 1010056060099.

It is an arithmetic number, because the mean of its divisors is an integer number (1010056060099).

Almost surely, 2^{2020112120197} is an apocalyptic number.

It is an amenable number.

2020112120197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020112120197 is an equidigital number, since it uses as much as digits as its factorization.

2020112120197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 2020112120197 its reverse (7910212110202), we get a palindrome (9930324230399).

The spelling of 2020112120197 in words is "two trillion, twenty billion, one hundred twelve million, one hundred twenty thousand, one hundred ninety-seven".