12130021307 has 2 divisors, whose sum is σ = 12130021308. Its totient is φ = 12130021306.

The previous prime is 12130021303. The next prime is 12130021327. The reversal of 12130021307 is 70312003121.

It is an a-pointer prime, because the next prime (12130021327) can be obtained adding 12130021307 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12130021307 - 2² = 12130021303 is a prime.

It is not a weakly prime, because it can be changed into another prime (12130021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065010653 + 6065010654.

It is an arithmetic number, because the mean of its divisors is an integer number (6065010654).

Almost surely, 2^12130021307 is an apocalyptic number.

12130021307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130021307 is an equidigital number, since it uses as much as digits as its factorization.

12130021307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 12130021307 its reverse (70312003121), we get a palindrome (82442024428).

The spelling of 12130021307 in words is "twelve billion, one hundred thirty million, twenty-one thousand, three hundred seven".