12256323406430 has 128 divisors (see below), whose sum is σ = 24286034304000. Its totient is φ = 4437388569600.

The previous prime is 12256323406423. The next prime is 12256323406463. The reversal of 12256323406430 is 3460432365221.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 82336049 + ... + 82484771.

It is an arithmetic number, because the mean of its divisors is an integer number (189734643000).

Almost surely, 2^{12256323406430} is an apocalyptic number.

12256323406430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12256323406430 is a deficient number, since it is larger than the sum of its proper divisors (12029710897570).

12256323406430 is a wasteful number, since it uses less digits than its factorization.

12256323406430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149010.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 12256323406430 in words is "twelve trillion, two hundred fifty-six billion, three hundred twenty-three million, four hundred six thousand, four hundred thirty".