12285452240 has 40 divisors (see below), whose sum is σ = 28568290560. Its totient is φ = 4913387136.

The previous prime is 12285452191. The next prime is 12285452243. The reversal of 12285452240 is 4225458221.

12285452240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12285452240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285452243) 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 7 ways as a sum of consecutive naturals, for example, 944501 + ... + 957419.

It is an arithmetic number, because the mean of its divisors is an integer number (714207264).

Almost surely, 2^12285452240 is an apocalyptic number.

12285452240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12285452240 is an abundant number, since it is smaller than the sum of its proper divisors (16282838320).

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

12285452240 is a wasteful number, since it uses less digits than its factorization.

12285452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819 (or 24813 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 12285452240 in words is "twelve billion, two hundred eighty-five million, four hundred fifty-two thousand, two hundred forty".