12444143503400 has 96 divisors (see below), whose sum is σ = 33464251275840. Its totient is φ = 4215159068160.

The previous prime is 12444143503381. The next prime is 12444143503457. The reversal of 12444143503400 is 430534144421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53430029 + ... + 53662428.

It is an arithmetic number, because the mean of its divisors is an integer number (348585950790).

Almost surely, 2^{12444143503400} is an apocalyptic number.

12444143503400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444143503400 is an abundant number, since it is smaller than the sum of its proper divisors (21020107772440).

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

12444143503400 is a wasteful number, since it uses less digits than its factorization.

12444143503400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107092563 (or 107092554 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 12444143503400 its reverse (430534144421), we get a palindrome (12874677647821).

The spelling of 12444143503400 in words is "twelve trillion, four hundred forty-four billion, one hundred forty-three million, five hundred three thousand, four hundred".