12512501259 has 4 divisors (see below), whose sum is σ = 16683335016. Its totient is φ = 8341667504.

The previous prime is 12512501213. The next prime is 12512501291. The reversal of 12512501259 is 95210521521.

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

It is a cyclic number.

It is not a de Polignac number, because 12512501259 - 2¹³ = 12512493067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12512501299) 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, 2085416874 + ... + 2085416879.

It is an arithmetic number, because the mean of its divisors is an integer number (4170833754).

Almost surely, 2^12512501259 is an apocalyptic number.

12512501259 is a deficient number, since it is larger than the sum of its proper divisors (4170833757).

12512501259 is an equidigital number, since it uses as much as digits as its factorization.

12512501259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170833756.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 12512501259 in words is "twelve billion, five hundred twelve million, five hundred one thousand, two hundred fifty-nine".