12758945832 has 48 divisors (see below), whose sum is σ = 34565536980. Its totient is φ = 4251744000.

The previous prime is 12758945827. The next prime is 12758945861. The reversal of 12758945832 is 23854985721.

12758945832 is a `hidden beast` number, since 1 + 2 + 7 + 58 + 9 + 4 + 583 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12335656356 + 423289476 = 111066^2 + 20574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242532 + ... + 290412.

Almost surely, 2^12758945832 is an apocalyptic number.

12758945832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12758945832 is an abundant number, since it is smaller than the sum of its proper divisors (21806591148).

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

12758945832 is a wasteful number, since it uses less digits than its factorization.

12758945832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51594 (or 51587 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 12758945832 in words is "twelve billion, seven hundred fifty-eight million, nine hundred forty-five thousand, eight hundred thirty-two".