12142344403 has 10 divisors (see below), whose sum is σ = 14165228404. Its totient is φ = 10407721716.

The previous prime is 12142344377. The next prime is 12142344413. The reversal of 12142344403 is 30444324121.

It is not a de Polignac number, because 12142344403 - 2¹³ = 12142336211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142344413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2526201 + ... + 2531002.

Almost surely, 2^12142344403 is an apocalyptic number.

12142344403 is a deficient number, since it is larger than the sum of its proper divisors (2022884001).

12142344403 is an frugal number, since it uses more digits than its factorization.

12142344403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057231 (or 5057210 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12142344403 its reverse (30444324121), we get a palindrome (42586668524).

The spelling of 12142344403 in words is "twelve billion, one hundred forty-two million, three hundred forty-four thousand, four hundred three".