12212010193 has 2 divisors, whose sum is σ = 12212010194. Its totient is φ = 12212010192.

The previous prime is 12212010179. The next prime is 12212010227. The reversal of 12212010193 is 39101021221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6262664769 + 5949345424 = 79137^2 + 77132^2 .

It is an emirp because it is prime and its reverse (39101021221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212010193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212010593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106005096 + 6106005097.

It is an arithmetic number, because the mean of its divisors is an integer number (6106005097).

Almost surely, 2^12212010193 is an apocalyptic number.

It is an amenable number.

12212010193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212010193 is an equidigital number, since it uses as much as digits as its factorization.

12212010193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 12212010193 in words is "twelve billion, two hundred twelve million, ten thousand, one hundred ninety-three".