12870005129 has 8 divisors (see below), whose sum is σ = 13555867680. Its totient is φ = 12184992000.

The previous prime is 12870005123. The next prime is 12870005131. The reversal of 12870005129 is 92150007821.

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 12870005129 - 2³² = 8575037833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12870005123) 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 7 ways as a sum of consecutive naturals, for example, 181127 + ... + 241964.

It is an arithmetic number, because the mean of its divisors is an integer number (1694483460).

Almost surely, 2^12870005129 is an apocalyptic number.

12870005129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12870005129 is a deficient number, since it is larger than the sum of its proper divisors (685862551).

12870005129 is a wasteful number, since it uses less digits than its factorization.

12870005129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424711.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 12870005129 in words is "twelve billion, eight hundred seventy million, five thousand, one hundred twenty-nine".