12232109999909 has 2 divisors, whose sum is σ = 12232109999910. Its totient is φ = 12232109999908.

The previous prime is 12232109999881. The next prime is 12232109999939. The reversal of 12232109999909 is 90999990123221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10260394144225 + 1971715855684 = 3203185^2 + 1404178^2 .

It is a cyclic number.

It is not a de Polignac number, because 12232109999909 - 2²⁴ = 12232093222693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12232109999939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116054999954 + 6116054999955.

It is an arithmetic number, because the mean of its divisors is an integer number (6116054999955).

Almost surely, 2^{12232109999909} is an apocalyptic number.

It is an amenable number.

12232109999909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232109999909 is an equidigital number, since it uses as much as digits as its factorization.

12232109999909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12754584, while the sum is 65.

The spelling of 12232109999909 in words is "twelve trillion, two hundred thirty-two billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred nine".