12059705856 has 160 divisors (see below), whose sum is σ = 35626130496. Its totient is φ = 3594240000.

The previous prime is 12059705849. The next prime is 12059705873. The reversal of 12059705856 is 65850795021.

It is a happy number.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1024806 + ... + 1036506.

Almost surely, 2^12059705856 is an apocalyptic number.

12059705856 is a gapful number since it is divisible by the number (16) 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 12059705856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17813065248).

12059705856 is an abundant number, since it is smaller than the sum of its proper divisors (23566424640).

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

12059705856 is a wasteful number, since it uses less digits than its factorization.

12059705856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794 (or 11778 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 12059705856 in words is "twelve billion, fifty-nine million, seven hundred five thousand, eight hundred fifty-six".