12102212209993 has 2 divisors, whose sum is σ = 12102212209994. Its totient is φ = 12102212209992.

The previous prime is 12102212209987. The next prime is 12102212210009. The reversal of 12102212209993 is 39990221220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9056199459904 + 3046012750089 = 3009352^2 + 1745283^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102212209993 - 2²¹ = 12102210112841 is a prime.

It is not a weakly prime, because it can be changed into another prime (12102212209193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051106104996 + 6051106104997.

It is an arithmetic number, because the mean of its divisors is an integer number (6051106104997).

Almost surely, 2^{12102212209993} is an apocalyptic number.

It is an amenable number.

12102212209993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102212209993 is an equidigital number, since it uses as much as digits as its factorization.

12102212209993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 12102212209993 in words is "twelve trillion, one hundred two billion, two hundred twelve million, two hundred nine thousand, nine hundred ninety-three".