12003102120 has 64 divisors (see below), whose sum is σ = 36020502720. Its totient is φ = 3199832064.

The previous prime is 12003102103. The next prime is 12003102157. The reversal of 12003102120 is 2120130021.

12003102120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12003102096 and 12003102105.

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 15 ways as a sum of consecutive naturals, for example, 423432 + ... + 450888.

It is an arithmetic number, because the mean of its divisors is an integer number (562820355).

Almost surely, 2^12003102120 is an apocalyptic number.

12003102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003102120 is an abundant number, since it is smaller than the sum of its proper divisors (24017400600).

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

12003102120 is a wasteful number, since it uses less digits than its factorization.

12003102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31114 (or 31110 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12003102120 its reverse (2120130021), we get a palindrome (14123232141).

The spelling of 12003102120 in words is "twelve billion, three million, one hundred two thousand, one hundred twenty".