12355430422456 has 16 divisors (see below), whose sum is σ = 25272471318840. Its totient is φ = 5616104737440.

The previous prime is 12355430422453. The next prime is 12355430422459. The reversal of 12355430422456 is 65422403455321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12355430422453) and next prime (12355430422459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355430422453) 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 in 3 ways as a sum of consecutive naturals, for example, 70201309131 + ... + 70201309306.

Almost surely, 2^{12355430422456} is an apocalyptic number.

It is an amenable number.

12355430422456 is an abundant number, since it is smaller than the sum of its proper divisors (12917040896384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12355430422456 is a wasteful number, since it uses less digits than its factorization.

12355430422456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140402618454 (or 140402618450 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 12355430422456 its reverse (65422403455321), we get a palindrome (77777833877777).

The spelling of 12355430422456 in words is "twelve trillion, three hundred fifty-five billion, four hundred thirty million, four hundred twenty-two thousand, four hundred fifty-six".