12120913425 has 48 divisors (see below), whose sum is σ = 20493545472. Its totient is φ = 6318523200.

The previous prime is 12120913423. The next prime is 12120913429. The reversal of 12120913425 is 52431902121.

12120913425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120913425 - 2¹ = 12120913423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120913392 and 12120913401.

It is not an unprimeable number, because it can be changed into a prime (12120913421) 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 47 ways as a sum of consecutive naturals, for example, 3336360 + ... + 3339990.

It is an arithmetic number, because the mean of its divisors is an integer number (426948864).

Almost surely, 2^12120913425 is an apocalyptic number.

12120913425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12120913425 is a deficient number, since it is larger than the sum of its proper divisors (8372632047).

12120913425 is a wasteful number, since it uses less digits than its factorization.

12120913425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 12120913425 in words is "twelve billion, one hundred twenty million, nine hundred thirteen thousand, four hundred twenty-five".