12500012625 has 32 divisors (see below), whose sum is σ = 20924676864. Its totient is φ = 6626720000.

The previous prime is 12500012621. The next prime is 12500012647. The reversal of 12500012625 is 52621000521.

It is a happy number.

It is not a de Polignac number, because 12500012625 - 2² = 12500012621 is a prime.

12500012625 is a modest number, since divided by 12625 gives 125 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12500012595 and 12500012604.

It is not an unprimeable number, because it can be changed into a prime (12500012621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37176 + ... + 162425.

It is an arithmetic number, because the mean of its divisors is an integer number (653896152).

Almost surely, 2^12500012625 is an apocalyptic number.

12500012625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12500012625 is a deficient number, since it is larger than the sum of its proper divisors (8424664239).

12500012625 is a wasteful number, since it uses less digits than its factorization.

12500012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199786 (or 199776 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12500012625 in words is "twelve billion, five hundred million, twelve thousand, six hundred twenty-five".