123030013112 has 64 divisors (see below), whose sum is σ = 244775328000. Its totient is φ = 57809396736.

The previous prime is 123030013097. The next prime is 123030013129. The reversal of 123030013112 is 211310030321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42613733 + ... + 42616619.

It is an arithmetic number, because the mean of its divisors is an integer number (3824614500).

Almost surely, 2^123030013112 is an apocalyptic number.

It is an amenable number.

123030013112 is a deficient number, since it is larger than the sum of its proper divisors (121745314888).

123030013112 is a wasteful number, since it uses less digits than its factorization.

123030013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068 (or 5064 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123030013112 its reverse (211310030321), we get a palindrome (334340043433).

The spelling of 123030013112 in words is "one hundred twenty-three billion, thirty million, thirteen thousand, one hundred twelve".