12225375469 has 2 divisors, whose sum is σ = 12225375470. Its totient is φ = 12225375468.

The previous prime is 12225375413. The next prime is 12225375499. The reversal of 12225375469 is 96457352221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11845710244 + 379665225 = 108838^2 + 19485^2 .

It is a cyclic number.

It is not a de Polignac number, because 12225375469 - 2²¹ = 12223278317 is a prime.

It is a super-2 number, since 2×12225375469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12225375499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112687734 + 6112687735.

It is an arithmetic number, because the mean of its divisors is an integer number (6112687735).

Almost surely, 2^12225375469 is an apocalyptic number.

It is an amenable number.

12225375469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225375469 is an equidigital number, since it uses as much as digits as its factorization.

12225375469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The spelling of 12225375469 in words is "twelve billion, two hundred twenty-five million, three hundred seventy-five thousand, four hundred sixty-nine".