12256401633245 has 64 divisors (see below), whose sum is σ = 18737691033600. Its totient is φ = 7473522965760.

The previous prime is 12256401633221. The next prime is 12256401633247. The reversal of 12256401633245 is 54233610465221.

It is not a de Polignac number, because 12256401633245 - 2⁸ = 12256401632989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12256401633196 and 12256401633205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256401633247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31636571 + ... + 32021639.

It is an arithmetic number, because the mean of its divisors is an integer number (292776422400).

Almost surely, 2^{12256401633245} is an apocalyptic number.

It is an amenable number.

12256401633245 is a deficient number, since it is larger than the sum of its proper divisors (6481289400355).

12256401633245 is a wasteful number, since it uses less digits than its factorization.

12256401633245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386898.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 12256401633245 in words is "twelve trillion, two hundred fifty-six billion, four hundred one million, six hundred thirty-three thousand, two hundred forty-five".