12102102200009 has 2 divisors, whose sum is σ = 12102102200010. Its totient is φ = 12102102200008.

The previous prime is 12102102199969. The next prime is 12102102200057. The reversal of 12102102200009 is 90000220120121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10072625587600 + 2029476612409 = 3173740^2 + 1424597^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102102200009 - 2²⁴ = 12102085422793 is a prime.

It is not a weakly prime, because it can be changed into another prime (12102102200609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051051100004 + 6051051100005.

It is an arithmetic number, because the mean of its divisors is an integer number (6051051100005).

Almost surely, 2^{12102102200009} is an apocalyptic number.

It is an amenable number.

12102102200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102102200009 is an equidigital number, since it uses as much as digits as its factorization.

12102102200009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12102102200009 in words is "twelve trillion, one hundred two billion, one hundred two million, two hundred thousand, nine".