12255423322056 has 32 divisors (see below), whose sum is σ = 30642340862400. Its totient is φ = 4084636766400.

The previous prime is 12255423322031. The next prime is 12255423322117. The reversal of 12255423322056 is 65022332455221.

It is a junction number, because it is equal to n+sod(n) for n = 12255423321999 and 12255423322017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31322836 + ... + 31711683.

It is an arithmetic number, because the mean of its divisors is an integer number (957573151950).

Almost surely, 2^{12255423322056} is an apocalyptic number.

It is an amenable number.

12255423322056 is an abundant number, since it is smaller than the sum of its proper divisors (18386917540344).

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

12255423322056 is a wasteful number, since it uses less digits than its factorization.

12255423322056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63042629 (or 63042625 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 12255423322056 its reverse (65022332455221), we get a palindrome (77277755777277).

The spelling of 12255423322056 in words is "twelve trillion, two hundred fifty-five billion, four hundred twenty-three million, three hundred twenty-two thousand, fifty-six".