12104040745544 has 32 divisors (see below), whose sum is σ = 24809103576000. Its totient is φ = 5490539277120.

The previous prime is 12104040745543. The next prime is 12104040745627. The reversal of 12104040745544 is 44554704040121.

It is not an unprimeable number, because it can be changed into a prime (12104040745541) 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, 141174719 + ... + 141260430.

It is an arithmetic number, because the mean of its divisors is an integer number (775284486750).

Almost surely, 2^{12104040745544} is an apocalyptic number.

It is an amenable number.

12104040745544 is an abundant number, since it is smaller than the sum of its proper divisors (12705062830456).

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

12104040745544 is a wasteful number, since it uses less digits than its factorization.

12104040745544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282435653 (or 282435649 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

Adding to 12104040745544 its reverse (44554704040121), we get a palindrome (56658744785665).

The spelling of 12104040745544 in words is "twelve trillion, one hundred four billion, forty million, seven hundred forty-five thousand, five hundred forty-four".