12522220327 has 2 divisors, whose sum is σ = 12522220328. Its totient is φ = 12522220326.

The previous prime is 12522220307. The next prime is 12522220331. The reversal of 12522220327 is 72302222521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12522220327 - 2³¹ = 10374736679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12522220295 and 12522220304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12522220307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261110163 + 6261110164.

It is an arithmetic number, because the mean of its divisors is an integer number (6261110164).

Almost surely, 2^12522220327 is an apocalyptic number.

12522220327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522220327 is an equidigital number, since it uses as much as digits as its factorization.

12522220327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 12522220327 its reverse (72302222521), we get a palindrome (84824442848).

The spelling of 12522220327 in words is "twelve billion, five hundred twenty-two million, two hundred twenty thousand, three hundred twenty-seven".