12432238537 has 8 divisors (see below), whose sum is σ = 12494754272. Its totient is φ = 12369866400.

The previous prime is 12432238519. The next prime is 12432238573. The reversal of 12432238537 is 73583223421.

12432238537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12432238537 - 2⁷ = 12432238409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12432238537.

It is not an unprimeable number, because it can be changed into a prime (12432238597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139837 + ... + 210757.

It is an arithmetic number, because the mean of its divisors is an integer number (1561844284).

Almost surely, 2^12432238537 is an apocalyptic number.

It is an amenable number.

12432238537 is a deficient number, since it is larger than the sum of its proper divisors (62515735).

12432238537 is an equidigital number, since it uses as much as digits as its factorization.

12432238537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71799.

The product of its digits is 241920, while the sum is 40.

The spelling of 12432238537 in words is "twelve billion, four hundred thirty-two million, two hundred thirty-eight thousand, five hundred thirty-seven".