12343310112 has 144 divisors (see below), whose sum is σ = 38710405440. Its totient is φ = 3431296512.

The previous prime is 12343310101. The next prime is 12343310117. The reversal of 12343310112 is 21101334321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12343310117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138589 + ... + 209507.

It is an arithmetic number, because the mean of its divisors is an integer number (268822260).

Almost surely, 2^12343310112 is an apocalyptic number.

12343310112 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 12343310112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19355202720).

12343310112 is an abundant number, since it is smaller than the sum of its proper divisors (26367095328).

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

12343310112 is a wasteful number, since it uses less digits than its factorization.

12343310112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70983 (or 70968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12343310112 its reverse (21101334321), we get a palindrome (33444644433).

The spelling of 12343310112 in words is "twelve billion, three hundred forty-three million, three hundred ten thousand, one hundred twelve".