12221153013247 has 2 divisors, whose sum is σ = 12221153013248. Its totient is φ = 12221153013246.

The previous prime is 12221153013233. The next prime is 12221153013263. The reversal of 12221153013247 is 74231035112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221153013247 - 2¹⁵ = 12221152980479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221153013227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110576506623 + 6110576506624.

It is an arithmetic number, because the mean of its divisors is an integer number (6110576506624).

Almost surely, 2^{12221153013247} is an apocalyptic number.

12221153013247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221153013247 is an equidigital number, since it uses as much as digits as its factorization.

12221153013247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 12221153013247 its reverse (74231035112221), we get a palindrome (86452188125468).

The spelling of 12221153013247 in words is "twelve trillion, two hundred twenty-one billion, one hundred fifty-three million, thirteen thousand, two hundred forty-seven".