12192488856 has 24 divisors (see below), whose sum is σ = 33021324180. Its totient is φ = 4064162928.

The previous prime is 12192488839. The next prime is 12192488921. The reversal of 12192488856 is 65888429121.

12192488856 is a `hidden beast` number, since 1 + 21 + 92 + 488 + 8 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84669990 + ... + 84670133.

Almost surely, 2^12192488856 is an apocalyptic number.

It is an amenable number.

12192488856 is an abundant number, since it is smaller than the sum of its proper divisors (20828835324).

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

12192488856 is a wasteful number, since it uses less digits than its factorization.

12192488856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169340135 (or 169340128 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 12192488856 in words is "twelve billion, one hundred ninety-two million, four hundred eighty-eight thousand, eight hundred fifty-six".