12082073261 has 4 divisors (see below), whose sum is σ = 12125691132. Its totient is φ = 12038455392.

The previous prime is 12082073239. The next prime is 12082073279. The reversal of 12082073261 is 16237028021.

12082073261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7418549161 + 4663524100 = 86131^2 + 68290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12082073261 - 2³⁰ = 11008331437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12082073231) 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, 21808520 + ... + 21809073.

It is an arithmetic number, because the mean of its divisors is an integer number (3031422783).

Almost surely, 2^12082073261 is an apocalyptic number.

It is an amenable number.

12082073261 is a deficient number, since it is larger than the sum of its proper divisors (43617871).

12082073261 is an equidigital number, since it uses as much as digits as its factorization.

12082073261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43617870.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 12082073261 in words is "twelve billion, eighty-two million, seventy-three thousand, two hundred sixty-one".