12047128312663 has 16 divisors (see below), whose sum is σ = 12851612224000. Its totient is φ = 11259909677952.

The previous prime is 12047128312651. The next prime is 12047128312801. The reversal of 12047128312663 is 36621382174021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12047128312663 is a prime.

It is a super-2 number, since 2×12047128312663² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047128312613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147293 + ... + 5040886.

It is an arithmetic number, because the mean of its divisors is an integer number (803225764000).

Almost surely, 2^{12047128312663} is an apocalyptic number.

12047128312663 is a deficient number, since it is larger than the sum of its proper divisors (804483911337).

12047128312663 is a wasteful number, since it uses less digits than its factorization.

12047128312663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189574.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 12047128312663 in words is "twelve trillion, forty-seven billion, one hundred twenty-eight million, three hundred twelve thousand, six hundred sixty-three".