123001223110112 has 48 divisors (see below), whose sum is σ = 246941636301360. Its totient is φ = 60297737883648.

The previous prime is 123001223110081. The next prime is 123001223110127. The reversal of 123001223110112 is 211011322100321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184839287 + ... + 185503542.

It is an arithmetic number, because the mean of its divisors is an integer number (5144617422945).

Almost surely, 2^{123001223110112} is an apocalyptic number.

It is an amenable number.

123001223110112 is an abundant number, since it is smaller than the sum of its proper divisors (123940413191248).

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

123001223110112 is a wasteful number, since it uses less digits than its factorization.

123001223110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370343043 (or 370343035 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123001223110112 its reverse (211011322100321), we get a palindrome (334012545210433).

The spelling of 123001223110112 in words is "one hundred twenty-three trillion, one billion, two hundred twenty-three million, one hundred ten thousand, one hundred twelve".