12344103312 has 240 divisors, whose sum is σ = 35920558080. Its totient is φ = 3643782912.

The previous prime is 12344103287. The next prime is 12344103323. The reversal of 12344103312 is 21330144321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18731239 + ... + 18731897.

It is an arithmetic number, because the mean of its divisors is an integer number (149668992).

Almost surely, 2^12344103312 is an apocalyptic number.

12344103312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12344103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17960279040).

12344103312 is an abundant number, since it is smaller than the sum of its proper divisors (23576454768).

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

12344103312 is a wasteful number, since it uses less digits than its factorization.

12344103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12344103312 its reverse (21330144321), we get a palindrome (33674247633).

The spelling of 12344103312 in words is "twelve billion, three hundred forty-four million, one hundred three thousand, three hundred twelve".