12210013199789 has 2 divisors, whose sum is σ = 12210013199790. Its totient is φ = 12210013199788.

The previous prime is 12210013199677. The next prime is 12210013199849. The reversal of 12210013199789 is 98799131001221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7984863062500 + 4225150137289 = 2825750^2 + 2055517^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210013199789 - 2¹² = 12210013195693 is a prime.

It is a super-2 number, since 2×12210013199789² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210013199789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210013190789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105006599894 + 6105006599895.

It is an arithmetic number, because the mean of its divisors is an integer number (6105006599895).

Almost surely, 2^{12210013199789} is an apocalyptic number.

It is an amenable number.

12210013199789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210013199789 is an equidigital number, since it uses as much as digits as its factorization.

12210013199789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 53.

The spelling of 12210013199789 in words is "twelve trillion, two hundred ten billion, thirteen million, one hundred ninety-nine thousand, seven hundred eighty-nine".