12149823168 has 84 divisors (see below), whose sum is σ = 39800326800. Its totient is φ = 3471376896.

The previous prime is 12149823139. The next prime is 12149823197. The reversal of 12149823168 is 86132894121.

12149823168 is a `hidden beast` number, since 121 + 498 + 2 + 31 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (12149823139) and next prime (12149823197).

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1502643 + ... + 1510706.

Almost surely, 2^12149823168 is an apocalyptic number.

12149823168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12149823168 is an abundant number, since it is smaller than the sum of its proper divisors (27650503632).

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

12149823168 is a wasteful number, since it uses less digits than its factorization.

12149823168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013374 (or 3013361 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The spelling of 12149823168 in words is "twelve billion, one hundred forty-nine million, eight hundred twenty-three thousand, one hundred sixty-eight".