12071732992 has 144 divisors (see below), whose sum is σ = 28350443520. Its totient is φ = 5070643200.

The previous prime is 12071732987. The next prime is 12071732993. The reversal of 12071732992 is 29923717021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071732993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190913 + ... + 2196415.

It is an arithmetic number, because the mean of its divisors is an integer number (196878080).

Almost surely, 2^12071732992 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 12071732992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14175221760).

12071732992 is an abundant number, since it is smaller than the sum of its proper divisors (16278710528).

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

12071732992 is a wasteful number, since it uses less digits than its factorization.

12071732992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 12071732992 in words is "twelve billion, seventy-one million, seven hundred thirty-two thousand, nine hundred ninety-two".