12082102605 has 12 divisors (see below), whose sum is σ = 20942311260. Its totient is φ = 6443788032.

The previous prime is 12082102597. The next prime is 12082102619. The reversal of 12082102605 is 50620128021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8863469316 + 3218633289 = 94146^2 + 56733^2 .

It is not a de Polignac number, because 12082102605 - 2³ = 12082102597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134245540 + ... + 134245629.

It is an arithmetic number, because the mean of its divisors is an integer number (1745192605).

Almost surely, 2^12082102605 is an apocalyptic number.

12082102605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12082102605 is a deficient number, since it is larger than the sum of its proper divisors (8860208655).

12082102605 is a wasteful number, since it uses less digits than its factorization.

12082102605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268491180 (or 268491177 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 12082102605 in words is "twelve billion, eighty-two million, one hundred two thousand, six hundred five".