12378524441 has 16 divisors (see below), whose sum is σ = 12722849280. Its totient is φ = 12039296640.

The previous prime is 12378524419. The next prime is 12378524461. The reversal of 12378524441 is 14442587321.

It is a cyclic number.

It is not a de Polignac number, because 12378524441 - 2²⁶ = 12311415577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12378524461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2559896 + ... + 2564726.

It is an arithmetic number, because the mean of its divisors is an integer number (795178080).

Almost surely, 2^12378524441 is an apocalyptic number.

It is an amenable number.

12378524441 is a deficient number, since it is larger than the sum of its proper divisors (344324839).

12378524441 is a wasteful number, since it uses less digits than its factorization.

12378524441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344.

The product of its digits is 215040, while the sum is 41.

The spelling of 12378524441 in words is "twelve billion, three hundred seventy-eight million, five hundred twenty-four thousand, four hundred forty-one".