12529180039 has 4 divisors (see below), whose sum is σ = 12961220760. Its totient is φ = 12097139320.

The previous prime is 12529179989. The next prime is 12529180063. The reversal of 12529180039 is 93008192521.

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

It is a cyclic number.

It is not a de Polignac number, because 12529180039 - 2¹⁷ = 12529048967 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12529179983 and 12529180010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12529180099) 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, 216020317 + ... + 216020374.

It is an arithmetic number, because the mean of its divisors is an integer number (3240305190).

Almost surely, 2^12529180039 is an apocalyptic number.

12529180039 is a deficient number, since it is larger than the sum of its proper divisors (432040721).

12529180039 is an equidigital number, since it uses as much as digits as its factorization.

12529180039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432040720.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 12529180039 in words is "twelve billion, five hundred twenty-nine million, one hundred eighty thousand, thirty-nine".