12256466430426 has 64 divisors (see below), whose sum is σ = 24887658571776. Its totient is φ = 4023600609600.

The previous prime is 12256466430391. The next prime is 12256466430457. The reversal of 12256466430426 is 62403466465221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69195091 + ... + 69371993.

It is an arithmetic number, because the mean of its divisors is an integer number (388869665184).

Almost surely, 2^{12256466430426} is an apocalyptic number.

12256466430426 is an abundant number, since it is smaller than the sum of its proper divisors (12631192141350).

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

12256466430426 is a wasteful number, since it uses less digits than its factorization.

12256466430426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177707.

The product of its (nonzero) digits is 9953280, while the sum is 51.

The spelling of 12256466430426 in words is "twelve trillion, two hundred fifty-six billion, four hundred sixty-six million, four hundred thirty thousand, four hundred twenty-six".