12088434209 has 2 divisors, whose sum is σ = 12088434210. Its totient is φ = 12088434208.

The previous prime is 12088434131. The next prime is 12088434223. The reversal of 12088434209 is 90243488021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8855374609 + 3233059600 = 94103^2 + 56860^2 .

It is a cyclic number.

It is not a de Polignac number, because 12088434209 - 2¹² = 12088430113 is a prime.

It is a super-3 number, since 3×12088434209³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12088434229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6044217104 + 6044217105.

It is an arithmetic number, because the mean of its divisors is an integer number (6044217105).

Almost surely, 2^12088434209 is an apocalyptic number.

It is an amenable number.

12088434209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12088434209 is an equidigital number, since it uses as much as digits as its factorization.

12088434209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 12088434209 in words is "twelve billion, eighty-eight million, four hundred thirty-four thousand, two hundred nine".