12507651250 has 20 divisors (see below), whose sum is σ = 23444343846. Its totient is φ = 5003060000.

The previous prime is 12507651209. The next prime is 12507651257. The reversal of 12507651250 is 5215670521.

12507651250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 315737361 + 12191913889 = 17769^2 + 110417^2 .

It is not an unprimeable number, because it can be changed into a prime (12507651257) 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 9 ways as a sum of consecutive naturals, for example, 5001811 + ... + 5004310.

Almost surely, 2^12507651250 is an apocalyptic number.

12507651250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12507651250 is a deficient number, since it is larger than the sum of its proper divisors (10936692596).

12507651250 is an equidigital number, since it uses as much as digits as its factorization.

12507651250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006143 (or 10006128 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 12507651250 in words is "twelve billion, five hundred seven million, six hundred fifty-one thousand, two hundred fifty".