12414520434544 has 80 divisors (see below), whose sum is σ = 25610988470400. Its totient is φ = 5818474432512.

The previous prime is 12414520434527. The next prime is 12414520434587. The reversal of 12414520434544 is 44543402541421.

It is a self number, because there is not a number n which added to its sum of digits gives 12414520434544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7054617 + ... + 8636935.

It is an arithmetic number, because the mean of its divisors is an integer number (320137355880).

Almost surely, 2^{12414520434544} 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 12414520434544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12805494235200).

12414520434544 is an abundant number, since it is smaller than the sum of its proper divisors (13196468035856).

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

12414520434544 is a wasteful number, since it uses less digits than its factorization.

12414520434544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582850 (or 1582844 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 43.

Adding to 12414520434544 its reverse (44543402541421), we get a palindrome (56957922975965).

The spelling of 12414520434544 in words is "twelve trillion, four hundred fourteen billion, five hundred twenty million, four hundred thirty-four thousand, five hundred forty-four".