12432213145 has 16 divisors (see below), whose sum is σ = 16836102720. Its totient is φ = 8729828800.

The previous prime is 12432213137. The next prime is 12432213149. The reversal of 12432213145 is 54131223421.

It is not a de Polignac number, because 12432213145 - 2³ = 12432213137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12432213149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3895651 + ... + 3898840.

It is an arithmetic number, because the mean of its divisors is an integer number (1052256420).

Almost surely, 2^12432213145 is an apocalyptic number.

It is an amenable number.

12432213145 is a deficient number, since it is larger than the sum of its proper divisors (4403889575).

12432213145 is a wasteful number, since it uses less digits than its factorization.

12432213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794536.

The product of its digits is 5760, while the sum is 28.

Adding to 12432213145 its reverse (54131223421), we get a palindrome (66563436566).

The spelling of 12432213145 in words is "twelve billion, four hundred thirty-two million, two hundred thirteen thousand, one hundred forty-five".