12628682169599 has 4 divisors (see below), whose sum is σ = 12629127638400. Its totient is φ = 12628236700800.

The previous prime is 12628682169511. The next prime is 12628682169641. The reversal of 12628682169599 is 99596128682621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12628682169599 is a prime.

It is a super-2 number, since 2×12628682169599² (a number of 27 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 (12628682169199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222691874 + ... + 222748575.

It is an arithmetic number, because the mean of its divisors is an integer number (3157281909600).

Almost surely, 2^{12628682169599} is an apocalyptic number.

12628682169599 is a deficient number, since it is larger than the sum of its proper divisors (445468801).

12628682169599 is an equidigital number, since it uses as much as digits as its factorization.

12628682169599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445468800.

The product of its digits is 403107840, while the sum is 74.

The spelling of 12628682169599 in words is "twelve trillion, six hundred twenty-eight billion, six hundred eighty-two million, one hundred sixty-nine thousand, five hundred ninety-nine".