12045805584 has 40 divisors (see below), whose sum is σ = 31205056320. Its totient is φ = 4004078208.

The previous prime is 12045805567. The next prime is 12045805591. The reversal of 12045805584 is 48550854021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332287 + ... + 366750.

It is an arithmetic number, because the mean of its divisors is an integer number (780126408).

Almost surely, 2^12045805584 is an apocalyptic number.

It is an amenable number.

12045805584 is an abundant number, since it is smaller than the sum of its proper divisors (19159250736).

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

12045805584 is a wasteful number, since it uses less digits than its factorization.

12045805584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699407 (or 699401 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 12045805584 in words is "twelve billion, forty-five million, eight hundred five thousand, five hundred eighty-four".