12220101247 has 2 divisors, whose sum is σ = 12220101248. Its totient is φ = 12220101246.

The previous prime is 12220101239. The next prime is 12220101263. The reversal of 12220101247 is 74210102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220101247 - 2³ = 12220101239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220101217) 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, 6110050623 + 6110050624.

It is an arithmetic number, because the mean of its divisors is an integer number (6110050624).

Almost surely, 2^12220101247 is an apocalyptic number.

12220101247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220101247 is an equidigital number, since it uses as much as digits as its factorization.

12220101247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 12220101247 its reverse (74210102221), we get a palindrome (86430203468).

The spelling of 12220101247 in words is "twelve billion, two hundred twenty million, one hundred one thousand, two hundred forty-seven".