12512631313250 has 32 divisors (see below), whose sum is σ = 23425630875504. Its totient is φ = 5004628368000.

The previous prime is 12512631313213. The next prime is 12512631313253. The reversal of 12512631313250 is 5231313621521.

It is a happy number.

12512631313250 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 8 ways, for example, as 216689319001 + 12295941994249 = 465499^2 + 3506557^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12512631313250.

It is not an unprimeable number, because it can be changed into a prime (12512631313253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843380 + ... + 5073120.

Almost surely, 2^{12512631313250} is an apocalyptic number.

12512631313250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12512631313250 is a deficient number, since it is larger than the sum of its proper divisors (10912999562254).

12512631313250 is a wasteful number, since it uses less digits than its factorization.

12512631313250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241591 (or 4241581 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 12512631313250 its reverse (5231313621521), we get a palindrome (17743944934771).

The spelling of 12512631313250 in words is "twelve trillion, five hundred twelve billion, six hundred thirty-one million, three hundred thirteen thousand, two hundred fifty".