123340052112 has 80 divisors (see below), whose sum is σ = 320558941248. Its totient is φ = 40864504320.

The previous prime is 123340052093. The next prime is 123340052117. The reversal of 123340052112 is 211250043321.

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

It is not an unprimeable number, because it can be changed into a prime (123340052117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32430403 + ... + 32434205.

Almost surely, 2^123340052112 is an apocalyptic number.

123340052112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123340052112 is an abundant number, since it is smaller than the sum of its proper divisors (197218889136).

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

123340052112 is a wasteful number, since it uses less digits than its factorization.

123340052112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7728 (or 7722 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 123340052112 its reverse (211250043321), we get a palindrome (334590095433).

The spelling of 123340052112 in words is "one hundred twenty-three billion, three hundred forty million, fifty-two thousand, one hundred twelve".