12221325307 has 2 divisors, whose sum is σ = 12221325308. Its totient is φ = 12221325306.

The previous prime is 12221325299. The next prime is 12221325343. The reversal of 12221325307 is 70352312221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221325307 - 2³ = 12221325299 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221335307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110662653 + 6110662654.

It is an arithmetic number, because the mean of its divisors is an integer number (6110662654).

Almost surely, 2^12221325307 is an apocalyptic number.

12221325307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221325307 is an equidigital number, since it uses as much as digits as its factorization.

12221325307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 12221325307 its reverse (70352312221), we get a palindrome (82573637528).

The spelling of 12221325307 in words is "twelve billion, two hundred twenty-one million, three hundred twenty-five thousand, three hundred seven".