12668669730025 has 24 divisors (see below), whose sum is σ = 16024117605120. Its totient is φ = 9933604037760.

The previous prime is 12668669729987. The next prime is 12668669730107. The reversal of 12668669730025 is 52003796686621.

It is not a de Polignac number, because 12668669730025 - 2³⁷ = 12531230776553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23140069 + ... + 23681218.

It is an arithmetic number, because the mean of its divisors is an integer number (667671566880).

Almost surely, 2^{12668669730025} is an apocalyptic number.

It is an amenable number.

12668669730025 is a deficient number, since it is larger than the sum of its proper divisors (3355447875095).

12668669730025 is a wasteful number, since it uses less digits than its factorization.

12668669730025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46821513 (or 46821508 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 12668669730025 in words is "twelve trillion, six hundred sixty-eight billion, six hundred sixty-nine million, seven hundred thirty thousand, twenty-five".