12908442168 has 144 divisors (see below), whose sum is σ = 36732051720. Its totient is φ = 4094859648.

The previous prime is 12908442133. The next prime is 12908442181. The reversal of 12908442168 is 86124480921.

12908442168 is a `hidden beast` number, since 1 + 2 + 90 + 84 + 421 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8645230 + ... + 8646722.

Almost surely, 2^12908442168 is an apocalyptic number.

12908442168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12908442168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18366025860).

12908442168 is an abundant number, since it is smaller than the sum of its proper divisors (23823609552).

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

12908442168 is a wasteful number, since it uses less digits than its factorization.

12908442168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 12908442168 in words is "twelve billion, nine hundred eight million, four hundred forty-two thousand, one hundred sixty-eight".