12365421307 has 2 divisors, whose sum is σ = 12365421308. Its totient is φ = 12365421306.

The previous prime is 12365421247. The next prime is 12365421311. The reversal of 12365421307 is 70312456321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12365421307 - 2³¹ = 10217937659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12365521307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182710653 + 6182710654.

It is an arithmetic number, because the mean of its divisors is an integer number (6182710654).

Almost surely, 2^12365421307 is an apocalyptic number.

12365421307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12365421307 is an equidigital number, since it uses as much as digits as its factorization.

12365421307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 12365421307 its reverse (70312456321), we get a palindrome (82677877628).

The spelling of 12365421307 in words is "twelve billion, three hundred sixty-five million, four hundred twenty-one thousand, three hundred seven".