212001799704797 has 2 divisors, whose sum is σ = 212001799704798. Its totient is φ = 212001799704796.

The previous prime is 212001799704791. The next prime is 212001799704829. The reversal of 212001799704797 is 797407997100212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197854015791481 + 14147783913316 = 14066059^2 + 3761354^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001799704797 - 2⁶ = 212001799704733 is a prime.

It is a super-2 number, since 2×212001799704797² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001799704791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000899852398 + 106000899852399.

It is an arithmetic number, because the mean of its divisors is an integer number (106000899852399).

Almost surely, 2^{212001799704797} is an apocalyptic number.

It is an amenable number.

212001799704797 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001799704797 is an equidigital number, since it uses as much as digits as its factorization.

212001799704797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28005264, while the sum is 65.

The spelling of 212001799704797 in words is "two hundred twelve trillion, one billion, seven hundred ninety-nine million, seven hundred four thousand, seven hundred ninety-seven".