12144140344 has 16 divisors (see below), whose sum is σ = 26023158000. Its totient is φ = 5204631552.

The previous prime is 12144140329. The next prime is 12144140357. The reversal of 12144140344 is 44304144121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108429769 + ... + 108429880.

It is an arithmetic number, because the mean of its divisors is an integer number (1626447375).

Almost surely, 2^12144140344 is an apocalyptic number.

12144140344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12144140344 is an abundant number, since it is smaller than the sum of its proper divisors (13879017656).

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

12144140344 is a wasteful number, since it uses less digits than its factorization.

12144140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216859662 (or 216859658 counting only the distinct ones).

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

Adding to 12144140344 its reverse (44304144121), we get a palindrome (56448284465).

The spelling of 12144140344 in words is "twelve billion, one hundred forty-four million, one hundred forty thousand, three hundred forty-four".