123013130120 has 16 divisors (see below), whose sum is σ = 276779542860. Its totient is φ = 49205252032.

The previous prime is 123013130101. The next prime is 123013130153. The reversal of 123013130120 is 21031310321.

It can be written as a sum of positive squares in 2 ways, for example, as 122537802916 + 475327204 = 350054^2 + 21802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537664087 + ... + 1537664166.

Almost surely, 2^123013130120 is an apocalyptic number.

123013130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123013130120 is an abundant number, since it is smaller than the sum of its proper divisors (153766412740).

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

123013130120 is a wasteful number, since it uses less digits than its factorization.

123013130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075328264 (or 3075328260 counting only the distinct ones).

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

Adding to 123013130120 its reverse (21031310321), we get a palindrome (144044440441).

The spelling of 123013130120 in words is "one hundred twenty-three billion, thirteen million, one hundred thirty thousand, one hundred twenty".