12504134251 has 12 divisors (see below), whose sum is σ = 15082156272. Its totient is φ = 10153731024.

The previous prime is 12504134249. The next prime is 12504134263. The reversal of 12504134251 is 15243140521.

It is not a de Polignac number, because 12504134251 - 2¹ = 12504134249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12504134231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2471580 + ... + 2476633.

It is an arithmetic number, because the mean of its divisors is an integer number (1256846356).

Almost surely, 2^12504134251 is an apocalyptic number.

12504134251 is a deficient number, since it is larger than the sum of its proper divisors (2578022021).

12504134251 is an equidigital number, since it uses as much as digits as its factorization.

12504134251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948258 (or 4948239 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12504134251 its reverse (15243140521), we get a palindrome (27747274772).

The spelling of 12504134251 in words is "twelve billion, five hundred four million, one hundred thirty-four thousand, two hundred fifty-one".