12443502342144 has 104 divisors (see below), whose sum is σ = 34075343059600. Its totient is φ = 4035730341888.

The previous prime is 12443502342143. The next prime is 12443502342209. The reversal of 12443502342144 is 44124320534421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443502342143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13229869 + ... + 14139180.

Almost surely, 2^{12443502342144} is an apocalyptic number.

It is an amenable number.

12443502342144 is an abundant number, since it is smaller than the sum of its proper divisors (21631840717456).

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

12443502342144 is an equidigital number, since it uses as much as digits as its factorization.

12443502342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27369113 (or 27369091 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 12443502342144 its reverse (44124320534421), we get a palindrome (56567822876565).

The spelling of 12443502342144 in words is "twelve trillion, four hundred forty-three billion, five hundred two million, three hundred forty-two thousand, one hundred forty-four".