12609680657507 has 8 divisors (see below), whose sum is σ = 13163147031840. Its totient is φ = 12056649232320.

The previous prime is 12609680657477. The next prime is 12609680657557. The reversal of 12609680657507 is 70575608690621.

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 12609680657507 - 2⁶ = 12609680657443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12609680657507.

It is not an unprimeable number, because it can be changed into a prime (12609680657557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108678032 + ... + 108793997.

It is an arithmetic number, because the mean of its divisors is an integer number (1645393378980).

Almost surely, 2^{12609680657507} is an apocalyptic number.

12609680657507 is a deficient number, since it is larger than the sum of its proper divisors (553466374333).

12609680657507 is a wasteful number, since it uses less digits than its factorization.

12609680657507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217474573.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 12609680657507 in words is "twelve trillion, six hundred nine billion, six hundred eighty million, six hundred fifty-seven thousand, five hundred seven".