12223440127 has 2 divisors, whose sum is σ = 12223440128. Its totient is φ = 12223440126.

The previous prime is 12223440101. The next prime is 12223440133. The reversal of 12223440127 is 72104432221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12223440127 - 2¹¹ = 12223438079 is a prime.

It is a super-2 number, since 2×12223440127² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12223440095 and 12223440104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223440157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111720063 + 6111720064.

It is an arithmetic number, because the mean of its divisors is an integer number (6111720064).

Almost surely, 2^12223440127 is an apocalyptic number.

12223440127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223440127 is an equidigital number, since it uses as much as digits as its factorization.

12223440127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 12223440127 its reverse (72104432221), we get a palindrome (84327872348).

The spelling of 12223440127 in words is "twelve billion, two hundred twenty-three million, four hundred forty thousand, one hundred twenty-seven".