212004335887 has 2 divisors, whose sum is σ = 212004335888. Its totient is φ = 212004335886.

The previous prime is 212004335857. The next prime is 212004335909. The reversal of 212004335887 is 788533400212.

212004335887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212004335887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212004335827) 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, 106002167943 + 106002167944.

It is an arithmetic number, because the mean of its divisors is an integer number (106002167944).

Almost surely, 2^212004335887 is an apocalyptic number.

212004335887 is a deficient number, since it is larger than the sum of its proper divisors (1).

212004335887 is an equidigital number, since it uses as much as digits as its factorization.

212004335887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 212004335887 in words is "two hundred twelve billion, four million, three hundred thirty-five thousand, eight hundred eighty-seven".