12104404542 has 12 divisors (see below), whose sum is σ = 26226209880. Its totient is φ = 4034801508.

The previous prime is 12104404531. The next prime is 12104404561. The reversal of 12104404542 is 24540440121.

12104404542 is a `hidden beast` number, since 1 + 210 + 4 + 404 + 5 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336233442 + ... + 336233477.

It is an arithmetic number, because the mean of its divisors is an integer number (2185517490).

Almost surely, 2^12104404542 is an apocalyptic number.

12104404542 is an abundant number, since it is smaller than the sum of its proper divisors (14121805338).

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

12104404542 is a wasteful number, since it uses less digits than its factorization.

12104404542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672466927 (or 672466924 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 12104404542 its reverse (24540440121), we get a palindrome (36644844663).

The spelling of 12104404542 in words is "twelve billion, one hundred four million, four hundred four thousand, five hundred forty-two".