12081934848 has 80 divisors (see below), whose sum is σ = 32225482080. Its totient is φ = 4022501376.

The previous prime is 12081934841. The next prime is 12081934859. The reversal of 12081934848 is 84843918021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 12081934797 and 12081934806.

It is not an unprimeable number, because it can be changed into a prime (12081934841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422711 + ... + 1431177.

It is an arithmetic number, because the mean of its divisors is an integer number (402818526).

Almost surely, 2^12081934848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12081934848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16112741040).

12081934848 is an abundant number, since it is smaller than the sum of its proper divisors (20143547232).

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

12081934848 is an frugal number, since it uses more digits than its factorization.

12081934848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417 (or 9401 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 12081934848 in words is "twelve billion, eighty-one million, nine hundred thirty-four thousand, eight hundred forty-eight".