12488750125 has 8 divisors (see below), whose sum is σ = 15585960312. Its totient is φ = 9991000000.

The previous prime is 12488750123. The next prime is 12488750143. The reversal of 12488750125 is 52105788421.

It can be written as a sum of positive squares in 4 ways, for example, as 477247716 + 12011502409 = 21846^2 + 109597^2 .

It is not a de Polignac number, because 12488750125 - 2¹ = 12488750123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12488750123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49954876 + ... + 49955125.

It is an arithmetic number, because the mean of its divisors is an integer number (1948245039).

Almost surely, 2^12488750125 is an apocalyptic number.

It is an amenable number.

12488750125 is a deficient number, since it is larger than the sum of its proper divisors (3097210187).

12488750125 is an frugal number, since it uses more digits than its factorization.

12488750125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99910016 (or 99910006 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 12488750125 in words is "twelve billion, four hundred eighty-eight million, seven hundred fifty thousand, one hundred twenty-five".