12775131952 has 20 divisors (see below), whose sum is σ = 27001983816. Its totient is φ = 5806878080.

The previous prime is 12775131917. The next prime is 12775131953. The reversal of 12775131952 is 25913157721.

12775131952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12775131952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12775131899 and 12775131908.

It is not an unprimeable number, because it can be changed into a prime (12775131953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36292813 + ... + 36293164.

Almost surely, 2^12775131952 is an apocalyptic number.

It is an amenable number.

12775131952 is an abundant number, since it is smaller than the sum of its proper divisors (14226851864).

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

12775131952 is a wasteful number, since it uses less digits than its factorization.

12775131952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72585996 (or 72585990 counting only the distinct ones).

The product of its digits is 132300, while the sum is 43.

The spelling of 12775131952 in words is "twelve billion, seven hundred seventy-five million, one hundred thirty-one thousand, nine hundred fifty-two".