12256403531362 has 16 divisors (see below), whose sum is σ = 18408804111360. Its totient is φ = 6120135853552.

The previous prime is 12256403531269. The next prime is 12256403531371. The reversal of 12256403531362 is 26313530465221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125119839 + ... + 125217757.

It is an arithmetic number, because the mean of its divisors is an integer number (1150550256960).

Almost surely, 2^{12256403531362} is an apocalyptic number.

12256403531362 is a deficient number, since it is larger than the sum of its proper divisors (6152400579998).

12256403531362 is an equidigital number, since it uses as much as digits as its factorization.

12256403531362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179657.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 12256403531362 its reverse (26313530465221), we get a palindrome (38569933996583).

The spelling of 12256403531362 in words is "twelve trillion, two hundred fifty-six billion, four hundred three million, five hundred thirty-one thousand, three hundred sixty-two".