12131102227 has 2 divisors, whose sum is σ = 12131102228. Its totient is φ = 12131102226.

The previous prime is 12131102177. The next prime is 12131102239. The reversal of 12131102227 is 72220113121.

12131102227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12131102227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12131102198 and 12131102207.

It is not a weakly prime, because it can be changed into another prime (12131132227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065551113 + 6065551114.

It is an arithmetic number, because the mean of its divisors is an integer number (6065551114).

Almost surely, 2^12131102227 is an apocalyptic number.

12131102227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131102227 is an equidigital number, since it uses as much as digits as its factorization.

12131102227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 12131102227 its reverse (72220113121), we get a palindrome (84351215348).

The spelling of 12131102227 in words is "twelve billion, one hundred thirty-one million, one hundred two thousand, two hundred twenty-seven".