12724402231224 has 64 divisors (see below), whose sum is σ = 36485741184000. Its totient is φ = 4104645878880.

The previous prime is 12724402231217. The next prime is 12724402231301. The reversal of 12724402231224 is 42213220442721.

12724402231224 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 4 + 402 + 23 + 1 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 950142814 + ... + 950156205.

It is an arithmetic number, because the mean of its divisors is an integer number (570089706000).

Almost surely, 2^{12724402231224} is an apocalyptic number.

It is an amenable number.

12724402231224 is an abundant number, since it is smaller than the sum of its proper divisors (23761338952776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12724402231224 is a wasteful number, since it uses less digits than its factorization.

12724402231224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900299065 (or 1900299055 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

Adding to 12724402231224 its reverse (42213220442721), we get a palindrome (54937622673945).

The spelling of 12724402231224 in words is "twelve trillion, seven hundred twenty-four billion, four hundred two million, two hundred thirty-one thousand, two hundred twenty-four".