12051808488 has 96 divisors (see below), whose sum is σ = 33443879040. Its totient is φ = 3918620160.

The previous prime is 12051808421. The next prime is 12051808501. The reversal of 12051808488 is 88480815021.

12051808488 is a `hidden beast` number, since 120 + 518 + 0 + 8 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×12051808488² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2818320 + ... + 2822592.

It is an arithmetic number, because the mean of its divisors is an integer number (348373740).

Almost surely, 2^12051808488 is an apocalyptic number.

12051808488 is a gapful number since it is divisible by the number (18) 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 12051808488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16721939520).

12051808488 is an abundant number, since it is smaller than the sum of its proper divisors (21392070552).

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

12051808488 is a wasteful number, since it uses less digits than its factorization.

12051808488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5232 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The spelling of 12051808488 in words is "twelve billion, fifty-one million, eight hundred eight thousand, four hundred eighty-eight".