12432784605 has 16 divisors (see below), whose sum is σ = 19896256320. Its totient is φ = 6629551488.

The previous prime is 12432784603. The next prime is 12432784613. The reversal of 12432784605 is 50648723421.

It is not a de Polignac number, because 12432784605 - 2¹ = 12432784603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432784603) 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 15 ways as a sum of consecutive naturals, for example, 4809 + ... + 157761.

It is an arithmetic number, because the mean of its divisors is an integer number (1243516020).

Almost surely, 2^12432784605 is an apocalyptic number.

12432784605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12432784605 is a deficient number, since it is larger than the sum of its proper divisors (7463471715).

12432784605 is a wasteful number, since it uses less digits than its factorization.

12432784605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158380.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 12432784605 in words is "twelve billion, four hundred thirty-two million, seven hundred eighty-four thousand, six hundred five".