12520247073 has 8 divisors (see below), whose sum is σ = 16694224608. Its totient is φ = 8346550464.

The previous prime is 12520247027. The next prime is 12520247093. The reversal of 12520247073 is 37074202521.

12520247073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12520247073 - 2⁹ = 12520246561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12520247093) 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 7 ways as a sum of consecutive naturals, for example, 79161 + ... + 176937.

It is an arithmetic number, because the mean of its divisors is an integer number (2086778076).

Almost surely, 2^12520247073 is an apocalyptic number.

It is an amenable number.

12520247073 is a deficient number, since it is larger than the sum of its proper divisors (4173977535).

12520247073 is an equidigital number, since it uses as much as digits as its factorization.

12520247073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140463.

The product of its (nonzero) digits is 23520, while the sum is 33.

Adding to 12520247073 its reverse (37074202521), we get a palindrome (49594449594).

The spelling of 12520247073 in words is "twelve billion, five hundred twenty million, two hundred forty-seven thousand, seventy-three".