12738875125 has 8 divisors (see below), whose sum is σ = 15898116312. Its totient is φ = 10191100000.

The previous prime is 12738875113. The next prime is 12738875137. The reversal of 12738875125 is 52157883721.

It is an interprime number because it is at equal distance from previous prime (12738875113) and next prime (12738875137).

It can be written as a sum of positive squares in 4 ways, for example, as 2172676 + 12736702449 = 1474^2 + 112857^2 .

It is not a de Polignac number, because 12738875125 - 2⁷ = 12738874997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50955376 + ... + 50955625.

It is an arithmetic number, because the mean of its divisors is an integer number (1987264539).

Almost surely, 2^12738875125 is an apocalyptic number.

It is an amenable number.

12738875125 is a deficient number, since it is larger than the sum of its proper divisors (3159241187).

12738875125 is an equidigital number, since it uses as much as digits as its factorization.

12738875125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101911016 (or 101911006 counting only the distinct ones).

The product of its digits is 940800, while the sum is 49.

The spelling of 12738875125 in words is "twelve billion, seven hundred thirty-eight million, eight hundred seventy-five thousand, one hundred twenty-five".