12071787192 has 96 divisors (see below), whose sum is σ = 33426432000. Its totient is φ = 3934024512.

The previous prime is 12071787149. The next prime is 12071787209. The reversal of 12071787192 is 29178717021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5030809 + ... + 5033207.

It is an arithmetic number, because the mean of its divisors is an integer number (348192000).

Almost surely, 2^12071787192 is an apocalyptic number.

12071787192 is a gapful number since it is divisible by the number (12) 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 12071787192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16713216000).

12071787192 is an abundant number, since it is smaller than the sum of its proper divisors (21354644808).

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

12071787192 is a wasteful number, since it uses less digits than its factorization.

12071787192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 45.

The spelling of 12071787192 in words is "twelve billion, seventy-one million, seven hundred eighty-seven thousand, one hundred ninety-two".