12042543145404 has 12 divisors (see below), whose sum is σ = 28099267339304. Its totient is φ = 4014181048464.

The previous prime is 12042543145397. The next prime is 12042543145483. The reversal of 12042543145404 is 40454134524021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501772631047 + ... + 501772631070.

Almost surely, 2^{12042543145404} is an apocalyptic number.

It is an amenable number.

12042543145404 is an abundant number, since it is smaller than the sum of its proper divisors (16056724193900).

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

12042543145404 is a wasteful number, since it uses less digits than its factorization.

12042543145404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003545262124 (or 1003545262122 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 12042543145404 its reverse (40454134524021), we get a palindrome (52496677669425).

The spelling of 12042543145404 in words is "twelve trillion, forty-two billion, five hundred forty-three million, one hundred forty-five thousand, four hundred four".