12542067161 has 8 divisors (see below), whose sum is σ = 13604015040. Its totient is φ = 11494001232.

The previous prime is 12542067149. The next prime is 12542067221. The reversal of 12542067161 is 16176024521.

12542067161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12542067161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12542067061) 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 7 ways as a sum of consecutive naturals, for example, 3468605 + ... + 3472218.

It is an arithmetic number, because the mean of its divisors is an integer number (1700501880).

Almost surely, 2^12542067161 is an apocalyptic number.

It is an amenable number.

12542067161 is a deficient number, since it is larger than the sum of its proper divisors (1061947879).

12542067161 is a wasteful number, since it uses less digits than its factorization.

12542067161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940975.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 12542067161 in words is "twelve billion, five hundred forty-two million, sixty-seven thousand, one hundred sixty-one".