12018546480 has 160 divisors (see below), whose sum is σ = 38315547648. Its totient is φ = 3114547200.

The previous prime is 12018546467. The next prime is 12018546481. The reversal of 12018546480 is 8464581021.

12018546480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12018546481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2664387 + ... + 2668893.

Almost surely, 2^12018546480 is an apocalyptic number.

12018546480 is a gapful number since it is divisible by the number (10) 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 12018546480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19157773824).

12018546480 is an abundant number, since it is smaller than the sum of its proper divisors (26297001168).

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

12018546480 is a wasteful number, since it uses less digits than its factorization.

12018546480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835 (or 4829 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 12018546480 in words is "twelve billion, eighteen million, five hundred forty-six thousand, four hundred eighty".