12504035125 has 16 divisors (see below), whose sum is σ = 16143145200. Its totient is φ = 9658286400.

The previous prime is 12504035107. The next prime is 12504035129. The reversal of 12504035125 is 52153040521.

It can be written as a sum of positive squares in 8 ways, for example, as 1653479569 + 10850555556 = 40663^2 + 104166^2 .

It is not a de Polignac number, because 12504035125 - 2⁷ = 12504034997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12504035093 and 12504035102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504035129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721070 + ... + 1728319.

It is an arithmetic number, because the mean of its divisors is an integer number (1008946575).

Almost surely, 2^12504035125 is an apocalyptic number.

It is an amenable number.

12504035125 is a deficient number, since it is larger than the sum of its proper divisors (3639110075).

12504035125 is an equidigital number, since it uses as much as digits as its factorization.

12504035125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449433 (or 3449423 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 12504035125 its reverse (52153040521), we get a palindrome (64657075646).

The spelling of 12504035125 in words is "twelve billion, five hundred four million, thirty-five thousand, one hundred twenty-five".