12044734856 has 64 divisors (see below), whose sum is σ = 28343208960. Its totient is φ = 4661640000.

The previous prime is 12044734843. The next prime is 12044734883. The reversal of 12044734856 is 65843744021.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28271 + ... + 157761.

It is an arithmetic number, because the mean of its divisors is an integer number (442862640).

Almost surely, 2^12044734856 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 12044734856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14171604480).

12044734856 is an abundant number, since it is smaller than the sum of its proper divisors (16298474104).

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

12044734856 is a wasteful number, since it uses less digits than its factorization.

12044734856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129666 (or 129662 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 12044734856 in words is "twelve billion, forty-four million, seven hundred thirty-four thousand, eight hundred fifty-six".