123001120112 has 40 divisors (see below), whose sum is σ = 257593721280. Its totient is φ = 56560239360.

The previous prime is 123001120111. The next prime is 123001120141. The reversal of 123001120112 is 211021100321.

123001120112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001120111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034687 + ... + 1147422.

It is an arithmetic number, because the mean of its divisors is an integer number (6439843032).

Almost surely, 2^123001120112 is an apocalyptic number.

It is an amenable number.

123001120112 is an abundant number, since it is smaller than the sum of its proper divisors (134592601168).

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

123001120112 is a wasteful number, since it uses less digits than its factorization.

123001120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182401 (or 2182395 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 123001120112 its reverse (211021100321), we get a palindrome (334022220433).

The spelling of 123001120112 in words is "one hundred twenty-three billion, one million, one hundred twenty thousand, one hundred twelve".