12213013247 has 2 divisors, whose sum is σ = 12213013248. Its totient is φ = 12213013246.

The previous prime is 12213013217. The next prime is 12213013259. The reversal of 12213013247 is 74231031221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213013247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213013207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106506623 + 6106506624.

It is an arithmetic number, because the mean of its divisors is an integer number (6106506624).

Almost surely, 2^12213013247 is an apocalyptic number.

12213013247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213013247 is an equidigital number, since it uses as much as digits as its factorization.

12213013247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 12213013247 its reverse (74231031221), we get a palindrome (86444044468).

The spelling of 12213013247 in words is "twelve billion, two hundred thirteen million, thirteen thousand, two hundred forty-seven".