12432031042156 has 24 divisors (see below), whose sum is σ = 24019827781824. Its totient is φ = 5582839787280.

The previous prime is 12432031042153. The next prime is 12432031042157. The reversal of 12432031042156 is 65124013023421.

It is not an unprimeable number, because it can be changed into a prime (12432031042153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702081650 + ... + 1702088953.

It is an arithmetic number, because the mean of its divisors is an integer number (1000826157576).

Almost surely, 2^{12432031042156} is an apocalyptic number.

It is an amenable number.

12432031042156 is a deficient number, since it is larger than the sum of its proper divisors (11587796739668).

12432031042156 is a wasteful number, since it uses less digits than its factorization.

12432031042156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404170701 (or 3404170699 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 12432031042156 its reverse (65124013023421), we get a palindrome (77556044065577).

The spelling of 12432031042156 in words is "twelve trillion, four hundred thirty-two billion, thirty-one million, forty-two thousand, one hundred fifty-six".