12431422002203 has 4 divisors (see below), whose sum is σ = 13085707370760. Its totient is φ = 11777136633648.

The previous prime is 12431422002143. The next prime is 12431422002217. The reversal of 12431422002203 is 30220022413421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12431422002203 - 2¹⁶ = 12431421936667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431422302203) 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 3 ways as a sum of consecutive naturals, for example, 327142684250 + ... + 327142684287.

It is an arithmetic number, because the mean of its divisors is an integer number (3271426842690).

Almost surely, 2^{12431422002203} is an apocalyptic number.

12431422002203 is a deficient number, since it is larger than the sum of its proper divisors (654285368557).

12431422002203 is an equidigital number, since it uses as much as digits as its factorization.

12431422002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654285368556.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12431422002203 its reverse (30220022413421), we get a palindrome (42651444415624).

The spelling of 12431422002203 in words is "twelve trillion, four hundred thirty-one billion, four hundred twenty-two million, two thousand, two hundred three".