12529149471999 has 24 divisors (see below), whose sum is σ = 18772350203152. Its totient is φ = 8350805341440.

The previous prime is 12529149471977. The next prime is 12529149472067. The reversal of 12529149471999 is 99917494192521.

12529149471999 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 9 + 149 + 471 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 12529149471999 - 2²¹ = 12529147374847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12529149471919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5014834 + ... + 7085679.

Almost surely, 2^{12529149471999} is an apocalyptic number.

12529149471999 is a deficient number, since it is larger than the sum of its proper divisors (6243200731153).

12529149471999 is an equidigital number, since it uses as much as digits as its factorization.

12529149471999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104789 (or 12104777 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 72.

The spelling of 12529149471999 in words is "twelve trillion, five hundred twenty-nine billion, one hundred forty-nine million, four hundred seventy-one thousand, nine hundred ninety-nine".