12072523420544 has 64 divisors (see below), whose sum is σ = 24296506765440. Its totient is φ = 5974635879936.

The previous prime is 12072523420541. The next prime is 12072523420567. The reversal of 12072523420544 is 44502432527021.

12072523420544 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 (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072523420541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25966187 + ... + 26427029.

It is an arithmetic number, because the mean of its divisors is an integer number (379632918210).

Almost surely, 2^{12072523420544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12072523420544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12148253382720).

12072523420544 is an abundant number, since it is smaller than the sum of its proper divisors (12223983344896).

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

12072523420544 is a wasteful number, since it uses less digits than its factorization.

12072523420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462947 (or 462935 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 41.

Adding to 12072523420544 its reverse (44502432527021), we get a palindrome (56574955947565).

The spelling of 12072523420544 in words is "twelve trillion, seventy-two billion, five hundred twenty-three million, four hundred twenty thousand, five hundred forty-four".