12102112209289 has 2 divisors, whose sum is σ = 12102112209290. Its totient is φ = 12102112209288.

The previous prime is 12102112209283. The next prime is 12102112209293. The reversal of 12102112209289 is 98290221120121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11359542233664 + 742569975625 = 3370392^2 + 861725^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102112209289 - 2³ = 12102112209281 is a prime.

It is a super-2 number, since 2×12102112209289² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102112209281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051056104644 + 6051056104645.

It is an arithmetic number, because the mean of its divisors is an integer number (6051056104645).

Almost surely, 2^{12102112209289} is an apocalyptic number.

It is an amenable number.

12102112209289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102112209289 is an equidigital number, since it uses as much as digits as its factorization.

12102112209289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 12102112209289 in words is "twelve trillion, one hundred two billion, one hundred twelve million, two hundred nine thousand, two hundred eighty-nine".