212032302709 has 2 divisors, whose sum is σ = 212032302710. Its totient is φ = 212032302708.

The previous prime is 212032302689. The next prime is 212032302751. The reversal of 212032302709 is 907203230212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178916310225 + 33115992484 = 422985^2 + 181978^2 .

It is a cyclic number.

It is not a de Polignac number, because 212032302709 - 2⁹ = 212032302197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212032302799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106016151354 + 106016151355.

It is an arithmetic number, because the mean of its divisors is an integer number (106016151355).

Almost surely, 2^212032302709 is an apocalyptic number.

It is an amenable number.

212032302709 is a deficient number, since it is larger than the sum of its proper divisors (1).

212032302709 is an equidigital number, since it uses as much as digits as its factorization.

212032302709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 212032302709 in words is "two hundred twelve billion, thirty-two million, three hundred two thousand, seven hundred nine".