12120673450 has 24 divisors (see below), whose sum is σ = 22651318080. Its totient is φ = 4825287600.

The previous prime is 12120673429. The next prime is 12120673459. The reversal of 12120673450 is 5437602121.

12120673450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12120673459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 563890 + ... + 584989.

It is an arithmetic number, because the mean of its divisors is an integer number (943804920).

Almost surely, 2^12120673450 is an apocalyptic number.

12120673450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120673450 is a deficient number, since it is larger than the sum of its proper divisors (10530644630).

12120673450 is a wasteful number, since it uses less digits than its factorization.

12120673450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149102 (or 1149097 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 12120673450 in words is "twelve billion, one hundred twenty million, six hundred seventy-three thousand, four hundred fifty".