12126030 has 96 divisors (see below), whose sum is σ = 34621344. Its totient is φ = 2709504.

The previous prime is 12126011. The next prime is 12126041. The reversal of 12126030 is 3062121.

12126030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107254 + ... + 107366.

It is an arithmetic number, because the mean of its divisors is an integer number (360639).

Almost surely, 2^12126030 is an apocalyptic number.

12126030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12126030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17310672).

12126030 is an abundant number, since it is smaller than the sum of its proper divisors (22495314).

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

12126030 is a wasteful number, since it uses less digits than its factorization.

12126030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12126030 is about 3482.2449655359. The cubic root of 12126030 is about 229.7415496384.

Adding to 12126030 its reverse (3062121), we get a palindrome (15188151).

The spelling of 12126030 in words is "twelve million, one hundred twenty-six thousand, thirty".