12443013144 has 48 divisors (see below), whose sum is σ = 33705968400. Its totient is φ = 4146915264.

The previous prime is 12443013119. The next prime is 12443013173. The reversal of 12443013144 is 44131034421.

12443013144 is a `hidden beast` number, since 1 + 2 + 44 + 301 + 314 + 4 = 666.

It is a super-2 number, since 2×12443013144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497482 + ... + 521894.

It is an arithmetic number, because the mean of its divisors is an integer number (702207675).

Almost surely, 2^12443013144 is an apocalyptic number.

It is an amenable number.

12443013144 is an abundant number, since it is smaller than the sum of its proper divisors (21262955256).

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

12443013144 is a wasteful number, since it uses less digits than its factorization.

12443013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31504 (or 31497 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12443013144 its reverse (44131034421), we get a palindrome (56574047565).

The spelling of 12443013144 in words is "twelve billion, four hundred forty-three million, thirteen thousand, one hundred forty-four".