12808990886217 has 16 divisors (see below), whose sum is σ = 17460082178112. Its totient is φ = 8350474049280.

The previous prime is 12808990886213. The next prime is 12808990886233. The reversal of 12808990886217 is 71268809980821.

It is not a de Polignac number, because 12808990886217 - 2² = 12808990886213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12808990886213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232550284 + ... + 232605357.

It is an arithmetic number, because the mean of its divisors is an integer number (1091255136132).

Almost surely, 2^{12808990886217} is an apocalyptic number.

It is an amenable number.

12808990886217 is a deficient number, since it is larger than the sum of its proper divisors (4651091291895).

12808990886217 is a wasteful number, since it uses less digits than its factorization.

12808990886217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465155848.

The product of its (nonzero) digits is 55738368, while the sum is 69.

The spelling of 12808990886217 in words is "twelve trillion, eight hundred eight billion, nine hundred ninety million, eight hundred eighty-six thousand, two hundred seventeen".