12256801222479 has 32 divisors (see below), whose sum is σ = 17959426840320. Its totient is φ = 7373652652800.

The previous prime is 12256801222453. The next prime is 12256801222483. The reversal of 12256801222479 is 97422210865221.

It is a happy number.

12256801222479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12256801222479 - 2¹¹ = 12256801220431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256801222409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26748969 + ... + 27203325.

It is an arithmetic number, because the mean of its divisors is an integer number (561232088760).

Almost surely, 2^{12256801222479} is an apocalyptic number.

12256801222479 is a deficient number, since it is larger than the sum of its proper divisors (5702625617841).

12256801222479 is a wasteful number, since it uses less digits than its factorization.

12256801222479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460391.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 12256801222479 in words is "twelve trillion, two hundred fifty-six billion, eight hundred one million, two hundred twenty-two thousand, four hundred seventy-nine".