12503351025 has 96 divisors (see below), whose sum is σ = 25213386240. Its totient is φ = 6024456000.

The previous prime is 12503350997. The next prime is 12503351089. The reversal of 12503351025 is 52015330521.

It is a happy number.

12503351025 is a `hidden beast` number, since 125 + 0 + 3 + 3 + 510 + 25 = 666.

It is not a de Polignac number, because 12503351025 - 2¹⁸ = 12503088881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12503351025.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1205110 + ... + 1215440.

It is an arithmetic number, because the mean of its divisors is an integer number (262639440).

Almost surely, 2^12503351025 is an apocalyptic number.

12503351025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12503351025 is an abundant number, since it is smaller than the sum of its proper divisors (12710035215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12503351025 is a wasteful number, since it uses less digits than its factorization.

12503351025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524 (or 10513 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 12503351025 its reverse (52015330521), we get a palindrome (64518681546).

The spelling of 12503351025 in words is "twelve billion, five hundred three million, three hundred fifty-one thousand, twenty-five".