12230340427 has 2 divisors, whose sum is σ = 12230340428. Its totient is φ = 12230340426.

The previous prime is 12230340401. The next prime is 12230340449. The reversal of 12230340427 is 72404303221.

It is a strong prime.

It is an emirp because it is prime and its reverse (72404303221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12230340427 - 2³¹ = 10082856779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230340395 and 12230340404.

It is not a weakly prime, because it can be changed into another prime (12230340457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115170213 + 6115170214.

It is an arithmetic number, because the mean of its divisors is an integer number (6115170214).

Almost surely, 2^12230340427 is an apocalyptic number.

12230340427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230340427 is an equidigital number, since it uses as much as digits as its factorization.

12230340427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 12230340427 its reverse (72404303221), we get a palindrome (84634643648).

The spelling of 12230340427 in words is "twelve billion, two hundred thirty million, three hundred forty thousand, four hundred twenty-seven".