12185952285 has 32 divisors (see below), whose sum is σ = 21674677248. Its totient is φ = 5805711360.

The previous prime is 12185952283. The next prime is 12185952287. The reversal of 12185952285 is 58225958121.

12185952285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12185952283) and next prime (12185952287).

It is not a de Polignac number, because 12185952285 - 2¹ = 12185952283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12185952281) 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 31 ways as a sum of consecutive naturals, for example, 1001892 + ... + 1013981.

It is an arithmetic number, because the mean of its divisors is an integer number (677333664).

Almost surely, 2^12185952285 is an apocalyptic number.

12185952285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12185952285 is a deficient number, since it is larger than the sum of its proper divisors (9488724963).

12185952285 is a wasteful number, since it uses less digits than its factorization.

12185952285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015925.

The product of its digits is 576000, while the sum is 48.

The spelling of 12185952285 in words is "twelve billion, one hundred eighty-five million, nine hundred fifty-two thousand, two hundred eighty-five".