12560658869 has 16 divisors (see below), whose sum is σ = 14304643200. Its totient is φ = 10917466560.

The previous prime is 12560658827. The next prime is 12560658881. The reversal of 12560658869 is 96885606521.

It is not a de Polignac number, because 12560658869 - 2¹² = 12560654773 is a prime.

It is a super-2 number, since 2×12560658869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12560618869) 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 15 ways as a sum of consecutive naturals, for example, 635159 + ... + 654635.

It is an arithmetic number, because the mean of its divisors is an integer number (894040200).

Almost surely, 2^12560658869 is an apocalyptic number.

It is an amenable number.

12560658869 is a deficient number, since it is larger than the sum of its proper divisors (1743984331).

12560658869 is a wasteful number, since it uses less digits than its factorization.

12560658869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22060.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 12560658869 in words is "twelve billion, five hundred sixty million, six hundred fifty-eight thousand, eight hundred sixty-nine".