12013221163 has 2 divisors, whose sum is σ = 12013221164. Its totient is φ = 12013221162.

The previous prime is 12013221131. The next prime is 12013221167. The reversal of 12013221163 is 36112231021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (36112231021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12013221163 - 2⁵ = 12013221131 is a prime.

It is a super-2 number, since 2×12013221163² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12013221167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006610581 + 6006610582.

It is an arithmetic number, because the mean of its divisors is an integer number (6006610582).

Almost surely, 2^12013221163 is an apocalyptic number.

12013221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013221163 is an equidigital number, since it uses as much as digits as its factorization.

12013221163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12013221163 its reverse (36112231021), we get a palindrome (48125452184).

The spelling of 12013221163 in words is "twelve billion, thirteen million, two hundred twenty-one thousand, one hundred sixty-three".