12423405212227 has 2 divisors, whose sum is σ = 12423405212228. Its totient is φ = 12423405212226.

The previous prime is 12423405212221. The next prime is 12423405212357. The reversal of 12423405212227 is 72221250432421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12423405212227 is a prime.

It is not a weakly prime, because it can be changed into another prime (12423405212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211702606113 + 6211702606114.

It is an arithmetic number, because the mean of its divisors is an integer number (6211702606114).

Almost surely, 2^{12423405212227} is an apocalyptic number.

12423405212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423405212227 is an equidigital number, since it uses as much as digits as its factorization.

12423405212227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 37.

Adding to 12423405212227 its reverse (72221250432421), we get a palindrome (84644655644648).

The spelling of 12423405212227 in words is "twelve trillion, four hundred twenty-three billion, four hundred five million, two hundred twelve thousand, two hundred twenty-seven".