12641827129 has 8 divisors (see below), whose sum is σ = 12841017728. Its totient is φ = 12442945680.

The previous prime is 12641827103. The next prime is 12641827139. The reversal of 12641827129 is 92172814621.

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 12641827129 - 2³¹ = 10494343481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641827139) 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, 5839 + ... + 159115.

It is an arithmetic number, because the mean of its divisors is an integer number (1605127216).

Almost surely, 2^12641827129 is an apocalyptic number.

It is an amenable number.

12641827129 is a deficient number, since it is larger than the sum of its proper divisors (199190599).

12641827129 is a wasteful number, since it uses less digits than its factorization.

12641827129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154575.

The product of its digits is 96768, while the sum is 43.

The spelling of 12641827129 in words is "twelve billion, six hundred forty-one million, eight hundred twenty-seven thousand, one hundred twenty-nine".