12009102 has 64 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 3196800.

The previous prime is 12009091. The next prime is 12009119. The reversal of 12009102 is 20190021.

It is a happy number.

12009102 is nontrivially palindromic in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80524 + ... + 80672.

It is an arithmetic number, because the mean of its divisors is an integer number (459000).

Almost surely, 2^12009102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12009102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14688000).

12009102 is an abundant number, since it is smaller than the sum of its proper divisors (17366898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12009102 is a wasteful number, since it uses less digits than its factorization.

12009102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 12009102 is about 3465.4151266479. The cubic root of 12009102 is about 229.0007182653. Note that the first 3 decimals are identical.

Adding to 12009102 its reverse (20190021), we get a palindrome (32199123).

The spelling of 12009102 in words is "twelve million, nine thousand, one hundred two".