12120539565107 has 4 divisors (see below), whose sum is σ = 12120673677456. Its totient is φ = 12120405452760.

The previous prime is 12120539565089. The next prime is 12120539565151. The reversal of 12120539565107 is 70156593502121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120539565107 - 2²² = 12120535370803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120539565157) 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 3 ways as a sum of consecutive naturals, for example, 66920519 + ... + 67101392.

It is an arithmetic number, because the mean of its divisors is an integer number (3030168419364).

Almost surely, 2^{12120539565107} is an apocalyptic number.

12120539565107 is a deficient number, since it is larger than the sum of its proper divisors (134112349).

12120539565107 is an equidigital number, since it uses as much as digits as its factorization.

12120539565107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134112348.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 12120539565107 in words is "twelve trillion, one hundred twenty billion, five hundred thirty-nine million, five hundred sixty-five thousand, one hundred seven".