12228290527 has 2 divisors, whose sum is σ = 12228290528. Its totient is φ = 12228290526.

The previous prime is 12228290521. The next prime is 12228290563. The reversal of 12228290527 is 72509282221.

It is a weak prime.

It is an emirp because it is prime and its reverse (72509282221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12228290527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12228290527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12228290521) 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, 6114145263 + 6114145264.

It is an arithmetic number, because the mean of its divisors is an integer number (6114145264).

Almost surely, 2^12228290527 is an apocalyptic number.

12228290527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12228290527 is an equidigital number, since it uses as much as digits as its factorization.

12228290527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12228290527 in words is "twelve billion, two hundred twenty-eight million, two hundred ninety thousand, five hundred twenty-seven".