12506001250 has 20 divisors (see below), whose sum is σ = 23441251086. Its totient is φ = 5002400000.

The previous prime is 12506001241. The next prime is 12506001253. The reversal of 12506001250 is 5210060521.

It can be written as a sum of positive squares in 5 ways, for example, as 45414121 + 12460587129 = 6739^2 + 111627^2 .

It is not an unprimeable number, because it can be changed into a prime (12506001253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5001151 + ... + 5003650.

Almost surely, 2^12506001250 is an apocalyptic number.

12506001250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12506001250 is a deficient number, since it is larger than the sum of its proper divisors (10935249836).

12506001250 is an equidigital number, since it uses as much as digits as its factorization.

12506001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004823 (or 10004808 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 12506001250 its reverse (5210060521), we get a palindrome (17716061771).

It can be divided in two parts, 1250 and 6001250, that added together give a square (6002500 = 2450²).

The spelling of 12506001250 in words is "twelve billion, five hundred six million, one thousand, two hundred fifty".