12296530420856 has 64 divisors (see below), whose sum is σ = 26479360512000. Its totient is φ = 5294441180160.

The previous prime is 12296530420843. The next prime is 12296530420877. The reversal of 12296530420856 is 65802403569221.

It is a junction number, because it is equal to n+sod(n) for n = 12296530420798 and 12296530420807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11974985 + ... + 12961223.

It is an arithmetic number, because the mean of its divisors is an integer number (413740008000).

Almost surely, 2^{12296530420856} is an apocalyptic number.

It is an amenable number.

12296530420856 is an abundant number, since it is smaller than the sum of its proper divisors (14182830091144).

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

12296530420856 is a wasteful number, since it uses less digits than its factorization.

12296530420856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993732 (or 993728 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 12296530420856 in words is "twelve trillion, two hundred ninety-six billion, five hundred thirty million, four hundred twenty thousand, eight hundred fifty-six".