12531328034 has 4 divisors (see below), whose sum is σ = 18796992054. Its totient is φ = 6265664016.

The previous prime is 12531327983. The next prime is 12531328057. The reversal of 12531328034 is 43082313521.

12531328034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10862850625 + 1668477409 = 104225^2 + 40847^2 .

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 as a sum of consecutive naturals, namely, 3132832007 + ... + 3132832010.

Almost surely, 2^12531328034 is an apocalyptic number.

12531328034 is a deficient number, since it is larger than the sum of its proper divisors (6265664020).

12531328034 is an equidigital number, since it uses as much as digits as its factorization.

12531328034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265664019.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 12531328034 in words is "twelve billion, five hundred thirty-one million, three hundred twenty-eight thousand, thirty-four".