12752643345 has 64 divisors (see below), whose sum is σ = 23456563200. Its totient is φ = 5863898880.

The previous prime is 12752643331. The next prime is 12752643353. The reversal of 12752643345 is 54334625721.

12752643345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12752643345 - 2¹⁶ = 12752577809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12752643297 and 12752643306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238816 + ... + 287294.

It is an arithmetic number, because the mean of its divisors is an integer number (366508800).

Almost surely, 2^12752643345 is an apocalyptic number.

12752643345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12752643345 is a deficient number, since it is larger than the sum of its proper divisors (10703919855).

12752643345 is a wasteful number, since it uses less digits than its factorization.

12752643345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48590.

The product of its digits is 604800, while the sum is 42.

The spelling of 12752643345 in words is "twelve billion, seven hundred fifty-two million, six hundred forty-three thousand, three hundred forty-five".