12512750015264 has 12 divisors (see below), whose sum is σ = 24634476592614. Its totient is φ = 6256375007616.

The previous prime is 12512750015261. The next prime is 12512750015309. The reversal of 12512750015264 is 46251005721521.

It can be written as a sum of positive squares in only one way, i.e., 10398948067600 + 2113801947664 = 3224740^2 + 1453892^2 .

It is not an unprimeable number, because it can be changed into a prime (12512750015261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195511718957 + ... + 195511719020.

Almost surely, 2^{12512750015264} is an apocalyptic number.

It is an amenable number.

12512750015264 is a deficient number, since it is larger than the sum of its proper divisors (12121726577350).

12512750015264 is an equidigital number, since it uses as much as digits as its factorization.

12512750015264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391023437987 (or 391023437979 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

Adding to 12512750015264 its reverse (46251005721521), we get a palindrome (58763755736785).

The spelling of 12512750015264 in words is "twelve trillion, five hundred twelve billion, seven hundred fifty million, fifteen thousand, two hundred sixty-four".