212201005889 has 2 divisors, whose sum is σ = 212201005890. Its totient is φ = 212201005888.

The previous prime is 212201005837. The next prime is 212201005901. The reversal of 212201005889 is 988500102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208410510400 + 3790495489 = 456520^2 + 61567^2 .

It is a cyclic number.

It is not a de Polignac number, because 212201005889 - 2¹⁶ = 212200940353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212201035889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100502944 + 106100502945.

It is an arithmetic number, because the mean of its divisors is an integer number (106100502945).

Almost surely, 2^212201005889 is an apocalyptic number.

It is an amenable number.

212201005889 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201005889 is an equidigital number, since it uses as much as digits as its factorization.

212201005889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 212201005889 in words is "two hundred twelve billion, two hundred one million, five thousand, eight hundred eighty-nine".