12520063265 has 8 divisors (see below), whose sum is σ = 15030230400. Its totient is φ = 10011947632.

The previous prime is 12520063229. The next prime is 12520063267. The reversal of 12520063265 is 56236002521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12520063265 - 2¹² = 12520059169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12520063267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499415 + ... + 523884.

It is an arithmetic number, because the mean of its divisors is an integer number (1878778800).

Almost surely, 2^12520063265 is an apocalyptic number.

It is an amenable number.

12520063265 is a deficient number, since it is larger than the sum of its proper divisors (2510167135).

12520063265 is a wasteful number, since it uses less digits than its factorization.

12520063265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025751.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 12520063265 its reverse (56236002521), we get a palindrome (68756065786).

The spelling of 12520063265 in words is "twelve billion, five hundred twenty million, sixty-three thousand, two hundred sixty-five".