12102222171493 has 2 divisors, whose sum is σ = 12102222171494. Its totient is φ = 12102222171492.

The previous prime is 12102222171469. The next prime is 12102222171497. The reversal of 12102222171493 is 39417122220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11037823471684 + 1064398699809 = 3322322^2 + 1031697^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102222171493 - 2²¹ = 12102220074341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102222171497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051111085746 + 6051111085747.

It is an arithmetic number, because the mean of its divisors is an integer number (6051111085747).

Almost surely, 2^{12102222171493} is an apocalyptic number.

It is an amenable number.

12102222171493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102222171493 is an equidigital number, since it uses as much as digits as its factorization.

12102222171493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 12102222171493 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, one hundred seventy-one thousand, four hundred ninety-three".