12730834562 has 8 divisors (see below), whose sum is σ = 19357844556. Its totient is φ = 6278219712.

The previous prime is 12730834507. The next prime is 12730834579. The reversal of 12730834562 is 26543803721.

12730834562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 112831²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 12730834561 + 1 = 112831^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 43598603 + ... + 43598894.

Almost surely, 2^12730834562 is an apocalyptic number.

12730834562 is a deficient number, since it is larger than the sum of its proper divisors (6627009994).

12730834562 is an equidigital number, since it uses as much as digits as its factorization.

12730834562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87197572.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 12730834562 in words is "twelve billion, seven hundred thirty million, eight hundred thirty-four thousand, five hundred sixty-two".