12003102 has 48 divisors (see below), whose sum is σ = 27555840. Its totient is φ = 3768336.

The previous prime is 12003097. The next prime is 12003109. The reversal of 12003102 is 20130021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32523 + ... + 32889.

It is an arithmetic number, because the mean of its divisors is an integer number (574080).

Almost surely, 2^12003102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12003102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13777920).

12003102 is an abundant number, since it is smaller than the sum of its proper divisors (15552738).

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

12003102 is a wasteful number, since it uses less digits than its factorization.

12003102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12003102 is about 3464.5493213404. The cubic root of 12003102 is about 228.9625740532.

Adding to 12003102 its reverse (20130021), we get a palindrome (32133123).

The spelling of 12003102 in words is "twelve million, three thousand, one hundred two".