12564208994733 has 60 divisors (see below), whose sum is σ = 20722636299904. Its totient is φ = 7580524287600.

The previous prime is 12564208994719. The next prime is 12564208994767. The reversal of 12564208994733 is 33749980246521.

12564208994733 is a `hidden beast` number, since 1 + 2 + 5 + 64 + 20 + 89 + 9 + 473 + 3 = 666.

It is not a de Polignac number, because 12564208994733 - 2¹³ = 12564208986541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12564208994713) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 688663 + ... + 5059908.

It is a 1-persistent number, because it is pandigital, but 2⋅12564208994733 = 25128417989466 is not.

Almost surely, 2^{12564208994733} is an apocalyptic number.

It is an amenable number.

12564208994733 is a deficient number, since it is larger than the sum of its proper divisors (8158427305171).

12564208994733 is a wasteful number, since it uses less digits than its factorization.

12564208994733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748828 (or 5748808 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 12564208994733 in words is "twelve trillion, five hundred sixty-four billion, two hundred eight million, nine hundred ninety-four thousand, seven hundred thirty-three".