12142440203 has 2 divisors, whose sum is σ = 12142440204. Its totient is φ = 12142440202.

The previous prime is 12142440139. The next prime is 12142440223. The reversal of 12142440203 is 30204424121.

It is a strong prime.

It is an emirp because it is prime and its reverse (30204424121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12142440203 - 2⁶ = 12142440139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12142440223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071220101 + 6071220102.

It is an arithmetic number, because the mean of its divisors is an integer number (6071220102).

Almost surely, 2^12142440203 is an apocalyptic number.

12142440203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142440203 is an equidigital number, since it uses as much as digits as its factorization.

12142440203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12142440203 its reverse (30204424121), we get a palindrome (42346864324).

The spelling of 12142440203 in words is "twelve billion, one hundred forty-two million, four hundred forty thousand, two hundred three".