12523470780040 has 128 divisors (see below), whose sum is σ = 30953235438720. Its totient is φ = 4522359859200.

The previous prime is 12523470780019. The next prime is 12523470780047. The reversal of 12523470780040 is 4008707432521.

12523470780040 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 (12523470780047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88647060 + ... + 88788220.

It is an arithmetic number, because the mean of its divisors is an integer number (241822151865).

Almost surely, 2^{12523470780040} is an apocalyptic number.

12523470780040 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 12523470780040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15476617719360).

12523470780040 is an abundant number, since it is smaller than the sum of its proper divisors (18429764658680).

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

12523470780040 is a wasteful number, since it uses less digits than its factorization.

12523470780040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142583 (or 142579 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 12523470780040 in words is "twelve trillion, five hundred twenty-three billion, four hundred seventy million, seven hundred eighty thousand, forty".