12889208013209 has 8 divisors (see below), whose sum is σ = 14387953131552. Its totient is φ = 11444962717440.

The previous prime is 12889208013193. The next prime is 12889208013263. The reversal of 12889208013209 is 90231080298821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12889208013209 - 2⁴ = 12889208013193 is a prime.

It is a super-2 number, since 2×12889208013209² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12889208013289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13624955144 + ... + 13624956089.

It is an arithmetic number, because the mean of its divisors is an integer number (1798494141444).

Almost surely, 2^{12889208013209} is an apocalyptic number.

It is an amenable number.

12889208013209 is a deficient number, since it is larger than the sum of its proper divisors (1498745118343).

12889208013209 is a wasteful number, since it uses less digits than its factorization.

12889208013209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27249911287.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 12889208013209 in words is "twelve trillion, eight hundred eighty-nine billion, two hundred eight million, thirteen thousand, two hundred nine".