12989835168 has 48 divisors (see below), whose sum is σ = 34929994176. Its totient is φ = 4224335360.

The previous prime is 12989835163. The next prime is 12989835181. The reversal of 12989835168 is 86153898921.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (12989835163) 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, 1646196 + ... + 1654067.

It is an arithmetic number, because the mean of its divisors is an integer number (727708212).

Almost surely, 2^12989835168 is an apocalyptic number.

It is an amenable number.

12989835168 is an abundant number, since it is smaller than the sum of its proper divisors (21940159008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12989835168 is a wasteful number, since it uses less digits than its factorization.

12989835168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300317 (or 3300309 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 60.

The spelling of 12989835168 in words is "twelve billion, nine hundred eighty-nine million, eight hundred thirty-five thousand, one hundred sixty-eight".