12083872081 has 4 divisors (see below), whose sum is σ = 12084947812. Its totient is φ = 12082796352.

The previous prime is 12083872079. The next prime is 12083872109. The reversal of 12083872081 is 18027838021.

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 6184249600 + 5899622481 = 78640^2 + 76809^2 .

It is a cyclic number.

It is not a de Polignac number, because 12083872081 - 2¹ = 12083872079 is a prime.

It is a super-2 number, since 2×12083872081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12083872061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520836 + ... + 543541.

It is an arithmetic number, because the mean of its divisors is an integer number (3021236953).

Almost surely, 2^12083872081 is an apocalyptic number.

It is an amenable number.

12083872081 is a deficient number, since it is larger than the sum of its proper divisors (1075731).

12083872081 is a wasteful number, since it uses less digits than its factorization.

12083872081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075730.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 12083872081 in words is "twelve billion, eighty-three million, eight hundred seventy-two thousand, eighty-one".