12504134245 has 4 divisors (see below), whose sum is σ = 15004961100. Its totient is φ = 10003307392.

The previous prime is 12504134231. The next prime is 12504134249. The reversal of 12504134245 is 54243140521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2873067201 + 9631067044 = 53601^2 + 98138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12504134245 - 2¹⁷ = 12504003173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504134249) 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 3 ways as a sum of consecutive naturals, for example, 1250413420 + ... + 1250413429.

It is an arithmetic number, because the mean of its divisors is an integer number (3751240275).

Almost surely, 2^12504134245 is an apocalyptic number.

It is an amenable number.

12504134245 is a deficient number, since it is larger than the sum of its proper divisors (2500826855).

12504134245 is an equidigital number, since it uses as much as digits as its factorization.

12504134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500826854.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12504134245 its reverse (54243140521), we get a palindrome (66747274766).

The spelling of 12504134245 in words is "twelve billion, five hundred four million, one hundred thirty-four thousand, two hundred forty-five".