12758886489672 has 24 divisors (see below), whose sum is σ = 34555317576390. Its totient is φ = 4252962163200.

The previous prime is 12758886489649. The next prime is 12758886489677. The reversal of 12758886489672 is 27698468885721.

12758886489672 is a `hidden beast` number, since 1 + 2 + 7 + 58 + 8 + 86 + 489 + 6 + 7 + 2 = 666.

12758886489672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12380447439396 + 378439050276 = 3518586^2 + 615174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 12758886489591 and 12758886489600.

It is not an unprimeable number, because it can be changed into a prime (12758886489677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88603378329 + ... + 88603378472.

Almost surely, 2^{12758886489672} is an apocalyptic number.

12758886489672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12758886489672 is an abundant number, since it is smaller than the sum of its proper divisors (21796431086718).

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

12758886489672 is a wasteful number, since it uses less digits than its factorization.

12758886489672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177206756813 (or 177206756806 counting only the distinct ones).

The product of its digits is 5202247680, while the sum is 81.

The spelling of 12758886489672 in words is "twelve trillion, seven hundred fifty-eight billion, eight hundred eighty-six million, four hundred eighty-nine thousand, six hundred seventy-two".