12111222010247 has 2 divisors, whose sum is σ = 12111222010248. Its totient is φ = 12111222010246.

The previous prime is 12111222010243. The next prime is 12111222010337. The reversal of 12111222010247 is 74201022211121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12111222010247 - 2² = 12111222010243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111222010243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055611005123 + 6055611005124.

It is an arithmetic number, because the mean of its divisors is an integer number (6055611005124).

Almost surely, 2^{12111222010247} is an apocalyptic number.

12111222010247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111222010247 is an equidigital number, since it uses as much as digits as its factorization.

12111222010247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 12111222010247 its reverse (74201022211121), we get a palindrome (86312244221368).

The spelling of 12111222010247 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-two million, ten thousand, two hundred forty-seven".