12087136264 has 64 divisors (see below), whose sum is σ = 26645967360. Its totient is φ = 5032826880.

The previous prime is 12087136261. The next prime is 12087136277. The reversal of 12087136264 is 46263178021.

It is not an unprimeable number, because it can be changed into a prime (12087136261) 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 15 ways as a sum of consecutive naturals, for example, 343824 + ... + 377344.

It is an arithmetic number, because the mean of its divisors is an integer number (416343240).

Almost surely, 2^12087136264 is an apocalyptic number.

12087136264 is a gapful number since it is divisible by the number (14) 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 12087136264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13322983680).

12087136264 is an abundant number, since it is smaller than the sum of its proper divisors (14558831096).

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

12087136264 is a wasteful number, since it uses less digits than its factorization.

12087136264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33718 (or 33714 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12087136264 in words is "twelve billion, eighty-seven million, one hundred thirty-six thousand, two hundred sixty-four".