212202001289 has 2 divisors, whose sum is σ = 212202001290. Its totient is φ = 212202001288.

The previous prime is 212202001181. The next prime is 212202001327. The reversal of 212202001289 is 982100202212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152564454025 + 59637547264 = 390595^2 + 244208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212202001289 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 (212202001589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101000644 + 106101000645.

It is an arithmetic number, because the mean of its divisors is an integer number (106101000645).

Almost surely, 2^212202001289 is an apocalyptic number.

It is an amenable number.

212202001289 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202001289 is an equidigital number, since it uses as much as digits as its factorization.

212202001289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 212202001289 in words is "two hundred twelve billion, two hundred two million, one thousand, two hundred eighty-nine".