212310000193 has 2 divisors, whose sum is σ = 212310000194. Its totient is φ = 212310000192.

The previous prime is 212310000187. The next prime is 212310000211. The reversal of 212310000193 is 391000013212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129669849409 + 82640150784 = 360097^2 + 287472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212310000193 is a prime.

It is not a weakly prime, because it can be changed into another prime (212310000113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155000096 + 106155000097.

It is an arithmetic number, because the mean of its divisors is an integer number (106155000097).

Almost surely, 2^212310000193 is an apocalyptic number.

It is an amenable number.

212310000193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310000193 is an equidigital number, since it uses as much as digits as its factorization.

212310000193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 212310000193 in words is "two hundred twelve billion, three hundred ten million, one hundred ninety-three", and thus it is an aban number.