12045845037687 has 32 divisors (see below), whose sum is σ = 16965844008960. Its totient is φ = 7590308916960.

The previous prime is 12045845037683. The next prime is 12045845037701. The reversal of 12045845037687 is 78673054854021.

It is not a de Polignac number, because 12045845037687 - 2² = 12045845037683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12045845037687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045845037683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71125614 + ... + 71294772.

It is an arithmetic number, because the mean of its divisors is an integer number (530182625280).

Almost surely, 2^{12045845037687} is an apocalyptic number.

12045845037687 is a deficient number, since it is larger than the sum of its proper divisors (4919998971273).

12045845037687 is a wasteful number, since it uses less digits than its factorization.

12045845037687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187043.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 12045845037687 in words is "twelve trillion, forty-five billion, eight hundred forty-five million, thirty-seven thousand, six hundred eighty-seven".