12443242001140 has 12 divisors (see below), whose sum is σ = 26130808202436. Its totient is φ = 4977296800448.

The previous prime is 12443242001119. The next prime is 12443242001143. The reversal of 12443242001140 is 4110024234421.

It can be written as a sum of positive squares in 2 ways, for example, as 2447059518864 + 9996182482276 = 1564308^2 + 3161674^2 .

It is a super-2 number, since 2×12443242001140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12443242001099 and 12443242001108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443242001143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311081050009 + ... + 311081050048.

It is an arithmetic number, because the mean of its divisors is an integer number (2177567350203).

Almost surely, 2^{12443242001140} is an apocalyptic number.

12443242001140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12443242001140 is an abundant number, since it is smaller than the sum of its proper divisors (13687566201296).

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

12443242001140 is a wasteful number, since it uses less digits than its factorization.

12443242001140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622162100066 (or 622162100064 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12443242001140 its reverse (4110024234421), we get a palindrome (16553266235561).

The spelling of 12443242001140 in words is "twelve trillion, four hundred forty-three billion, two hundred forty-two million, one thousand, one hundred forty".