12431231582005 has 8 divisors (see below), whose sum is σ = 14920718742432. Its totient is φ = 9942824702928.

The previous prime is 12431231581981. The next prime is 12431231582041. The reversal of 12431231582005 is 50028513213421.

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 12431231582005 - 2¹¹ = 12431231579957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270045019 + ... + 270091048.

It is an arithmetic number, because the mean of its divisors is an integer number (1865089842804).

Almost surely, 2^{12431231582005} is an apocalyptic number.

It is an amenable number.

12431231582005 is a deficient number, since it is larger than the sum of its proper divisors (2489487160427).

12431231582005 is an equidigital number, since it uses as much as digits as its factorization.

12431231582005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540140675.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 12431231582005 its reverse (50028513213421), we get a palindrome (62459744795426).

The spelling of 12431231582005 in words is "twelve trillion, four hundred thirty-one billion, two hundred thirty-one million, five hundred eighty-two thousand, five".