12102247867 has 2 divisors, whose sum is σ = 12102247868. Its totient is φ = 12102247866.

The previous prime is 12102247819. The next prime is 12102247889. The reversal of 12102247867 is 76874220121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102247867 is a prime.

It is not a weakly prime, because it can be changed into another prime (12102247967) 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, 6051123933 + 6051123934.

It is an arithmetic number, because the mean of its divisors is an integer number (6051123934).

Almost surely, 2^12102247867 is an apocalyptic number.

12102247867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102247867 is an equidigital number, since it uses as much as digits as its factorization.

12102247867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

Adding to 12102247867 its reverse (76874220121), we get a palindrome (88976467988).

The spelling of 12102247867 in words is "twelve billion, one hundred two million, two hundred forty-seven thousand, eight hundred sixty-seven".