123030300012 has 24 divisors (see below), whose sum is σ = 302179684800. Its totient is φ = 38851673616.

The previous prime is 123030299989. The next prime is 123030300047. The reversal of 123030300012 is 210003030321.

It is a junction number, because it is equal to n+sod(n) for n = 123030299964 and 123030300000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269803062 + ... + 269803517.

It is an arithmetic number, because the mean of its divisors is an integer number (12590820200).

Almost surely, 2^123030300012 is an apocalyptic number.

123030300012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123030300012 is an abundant number, since it is smaller than the sum of its proper divisors (179149384788).

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

123030300012 is a wasteful number, since it uses less digits than its factorization.

123030300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539606605 (or 539606603 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123030300012 its reverse (210003030321), we get a palindrome (333033330333).

The spelling of 123030300012 in words is "one hundred twenty-three billion, thirty million, three hundred thousand, twelve".