12889773240084 has 120 divisors (see below), whose sum is σ = 37269214415048. Its totient is φ = 3858892565760.

The previous prime is 12889773240067. The next prime is 12889773240089. The reversal of 12889773240084 is 48004237798821.

12889773240084 is a `hidden beast` number, since 1 + 2 + 8 + 89 + 7 + 73 + 2 + 400 + 84 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5330418912900 + 7559354327184 = 2308770^2 + 2749428^2 .

It is a super-2 number, since 2×12889773240084² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889773240089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41198887 + ... + 41510574.

Almost surely, 2^{12889773240084} is an apocalyptic number.

It is an amenable number.

12889773240084 is an abundant number, since it is smaller than the sum of its proper divisors (24379441174964).

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

12889773240084 is a wasteful number, since it uses less digits than its factorization.

12889773240084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82709527 (or 82709516 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 12889773240084 in words is "twelve trillion, eight hundred eighty-nine billion, seven hundred seventy-three million, two hundred forty thousand, eighty-four".