12720034159 has 8 divisors (see below), whose sum is σ = 14930079008. Its totient is φ = 10608213600.

The previous prime is 12720034153. The next prime is 12720034163. The reversal of 12720034159 is 95143002721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12720034159 - 2⁹ = 12720033647 is a prime.

It is a super-2 number, since 2×12720034159² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12720034153) 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 7 ways as a sum of consecutive naturals, for example, 24555792 + ... + 24556309.

It is an arithmetic number, because the mean of its divisors is an integer number (1866259876).

Almost surely, 2^12720034159 is an apocalyptic number.

12720034159 is a deficient number, since it is larger than the sum of its proper divisors (2210044849).

12720034159 is an equidigital number, since it uses as much as digits as its factorization.

12720034159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49112145.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 12720034159 in words is "twelve billion, seven hundred twenty million, thirty-four thousand, one hundred fifty-nine".