12400360655224 has 8 divisors (see below), whose sum is σ = 23250676228560. Its totient is φ = 6200180327608.

The previous prime is 12400360655197. The next prime is 12400360655227. The reversal of 12400360655224 is 42255606300421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400360655227) by changing a digit.

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 as a sum of consecutive naturals, namely, 775022540944 + ... + 775022540959.

It is an arithmetic number, because the mean of its divisors is an integer number (2906334528570).

Almost surely, 2^{12400360655224} is an apocalyptic number.

It is an amenable number.

12400360655224 is a deficient number, since it is larger than the sum of its proper divisors (10850315573336).

12400360655224 is a wasteful number, since it uses less digits than its factorization.

12400360655224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550045081909 (or 1550045081905 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 12400360655224 its reverse (42255606300421), we get a palindrome (54655966955645).

The spelling of 12400360655224 in words is "twelve trillion, four hundred billion, three hundred sixty million, six hundred fifty-five thousand, two hundred twenty-four".