12142432203 has 16 divisors (see below), whose sum is σ = 18092495232. Its totient is φ = 7179560000.

The previous prime is 12142432147. The next prime is 12142432213. The reversal of 12142432203 is 30223424121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12142432203 - 2⁶ = 12142432139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12142432213) 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 15 ways as a sum of consecutive naturals, for example, 4485873 + ... + 4488578.

It is an arithmetic number, because the mean of its divisors is an integer number (1130780952).

Almost surely, 2^12142432203 is an apocalyptic number.

12142432203 is a deficient number, since it is larger than the sum of its proper divisors (5950063029).

12142432203 is a wasteful number, since it uses less digits than its factorization.

12142432203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974506.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12142432203 its reverse (30223424121), we get a palindrome (42365856324).

The spelling of 12142432203 in words is "twelve billion, one hundred forty-two million, four hundred thirty-two thousand, two hundred three".