212002203197 has 2 divisors, whose sum is σ = 212002203198. Its totient is φ = 212002203196.

The previous prime is 212002203191. The next prime is 212002203209. The reversal of 212002203197 is 791302200212.

212002203197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166338359716 + 45663843481 = 407846^2 + 213691^2 .

It is a cyclic number.

It is not a de Polignac number, because 212002203197 - 2⁸ = 212002202941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212002203191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001101598 + 106001101599.

It is an arithmetic number, because the mean of its divisors is an integer number (106001101599).

Almost surely, 2^212002203197 is an apocalyptic number.

It is an amenable number.

212002203197 is a deficient number, since it is larger than the sum of its proper divisors (1).

212002203197 is an equidigital number, since it uses as much as digits as its factorization.

212002203197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 212002203197 in words is "two hundred twelve billion, two million, two hundred three thousand, one hundred ninety-seven".