212020011099997 has 2 divisors, whose sum is σ = 212020011099998. Its totient is φ = 212020011099996.

The previous prime is 212020011099977. The next prime is 212020011100043. The reversal of 212020011099997 is 799990110020212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201237318842596 + 10782692257401 = 14185814^2 + 3283701^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020011099997 - 2¹¹ = 212020011097949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212020011099977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010005549998 + 106010005549999.

It is an arithmetic number, because the mean of its divisors is an integer number (106010005549999).

Almost surely, 2^{212020011099997} is an apocalyptic number.

It is an amenable number.

212020011099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020011099997 is an equidigital number, since it uses as much as digits as its factorization.

212020011099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 212020011099997 in words is "two hundred twelve trillion, twenty billion, eleven million, ninety-nine thousand, nine hundred ninety-seven".