12443224504312 has 32 divisors (see below), whose sum is σ = 26664169835520. Its totient is φ = 5332787036640.

The previous prime is 12443224504303. The next prime is 12443224504331. The reversal of 12443224504312 is 21340542234421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19812213 + ... + 20430619.

It is an arithmetic number, because the mean of its divisors is an integer number (833255307360).

Almost surely, 2^{12443224504312} is an apocalyptic number.

It is an amenable number.

12443224504312 is an abundant number, since it is smaller than the sum of its proper divisors (14220945331208).

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

12443224504312 is a wasteful number, since it uses less digits than its factorization.

12443224504312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977731 (or 977727 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 12443224504312 its reverse (21340542234421), we get a palindrome (33783766738733).

The spelling of 12443224504312 in words is "twelve trillion, four hundred forty-three billion, two hundred twenty-four million, five hundred four thousand, three hundred twelve".