212000442089 has 2 divisors, whose sum is σ = 212000442090. Its totient is φ = 212000442088.

The previous prime is 212000442083. The next prime is 212000442119. The reversal of 212000442089 is 980244000212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206290372864 + 5710069225 = 454192^2 + 75565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212000442089 is a prime.

It is not a weakly prime, because it can be changed into another prime (212000442083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000221044 + 106000221045.

It is an arithmetic number, because the mean of its divisors is an integer number (106000221045).

Almost surely, 2^212000442089 is an apocalyptic number.

It is an amenable number.

212000442089 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000442089 is an equidigital number, since it uses as much as digits as its factorization.

212000442089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 212000442089 in words is "two hundred twelve billion, four hundred forty-two thousand, eighty-nine".