12500001250 has 40 divisors (see below), whose sum is σ = 25560030672. Its totient is φ = 4545450000.

The previous prime is 12500001223. The next prime is 12500001253. The reversal of 12500001250 is 5210000521.

12500001250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12500001253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 440796 + ... + 468295.

Almost surely, 2^12500001250 is an apocalyptic number.

12500001250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500001250 is an abundant number, since it is smaller than the sum of its proper divisors (13060029422).

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

12500001250 is an equidigital number, since it uses as much as digits as its factorization.

12500001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909124 (or 909109 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

Adding to 12500001250 its reverse (5210000521), we get a palindrome (17710001771).

The spelling of 12500001250 in words is "twelve billion, five hundred million, one thousand, two hundred fifty".