13140123120 has 60 divisors (see below), whose sum is σ = 44128915896. Its totient is φ = 3504032640.

The previous prime is 13140123079. The next prime is 13140123121. The reversal of 13140123120 is 2132104131.

13140123120 is a `hidden beast` number, since 1 + 31 + 401 + 231 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13140123093 and 13140123102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140123121) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9124366 + ... + 9125805.

Almost surely, 2^13140123120 is an apocalyptic number.

13140123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140123120 is an abundant number, since it is smaller than the sum of its proper divisors (30988792776).

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

13140123120 is a wasteful number, since it uses less digits than its factorization.

13140123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250190 (or 18250181 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13140123120 its reverse (2132104131), we get a palindrome (15272227251).

The spelling of 13140123120 in words is "thirteen billion, one hundred forty million, one hundred twenty-three thousand, one hundred twenty".