12102285 has 32 divisors (see below), whose sum is σ = 21264768. Its totient is φ = 5840640.

The previous prime is 12102271. The next prime is 12102287. The reversal of 12102285 is 58220121.

It is a happy number.

12102285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102285 - 2⁷ = 12102157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9750 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (664524).

Almost surely, 2^12102285 is an apocalyptic number.

12102285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12102285 is a deficient number, since it is larger than the sum of its proper divisors (9162483).

12102285 is a wasteful number, since it uses less digits than its factorization.

12102285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12102285 is about 3478.8338563375. The cubic root of 12102285 is about 229.5914928942.

The spelling of 12102285 in words is "twelve million, one hundred two thousand, two hundred eighty-five".