12320312203 has 2 divisors, whose sum is σ = 12320312204. Its totient is φ = 12320312202.

The previous prime is 12320312161. The next prime is 12320312243. The reversal of 12320312203 is 30221302321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320312203 - 2¹³ = 12320304011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320312243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160156101 + 6160156102.

It is an arithmetic number, because the mean of its divisors is an integer number (6160156102).

Almost surely, 2^12320312203 is an apocalyptic number.

12320312203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320312203 is an equidigital number, since it uses as much as digits as its factorization.

12320312203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12320312203 its reverse (30221302321), we get a palindrome (42541614524).

The spelling of 12320312203 in words is "twelve billion, three hundred twenty million, three hundred twelve thousand, two hundred three".