12366552227 has 2 divisors, whose sum is σ = 12366552228. Its totient is φ = 12366552226.

The previous prime is 12366552223. The next prime is 12366552281. The reversal of 12366552227 is 72225566321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12366552227 - 2² = 12366552223 is a prime.

It is a super-2 number, since 2×12366552227² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12366552223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6183276113 + 6183276114.

It is an arithmetic number, because the mean of its divisors is an integer number (6183276114).

Almost surely, 2^12366552227 is an apocalyptic number.

12366552227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12366552227 is an equidigital number, since it uses as much as digits as its factorization.

12366552227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The spelling of 12366552227 in words is "twelve billion, three hundred sixty-six million, five hundred fifty-two thousand, two hundred twenty-seven".