123004000120 has 16 divisors (see below), whose sum is σ = 276759000360. Its totient is φ = 49201600032.

The previous prime is 123004000111. The next prime is 123004000139. The reversal of 123004000120 is 21000400321.

It is a self number, because there is not a number n which added to its sum of digits gives 123004000120.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1537549962 + ... + 1537550041.

Almost surely, 2^123004000120 is an apocalyptic number.

123004000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123004000120 is an abundant number, since it is smaller than the sum of its proper divisors (153755000240).

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

123004000120 is a wasteful number, since it uses less digits than its factorization.

123004000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075100014 (or 3075100010 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 123004000120 its reverse (21000400321), we get a palindrome (144004400441).

The spelling of 123004000120 in words is "one hundred twenty-three billion, four million, one hundred twenty", and thus it is an aban number.