12030030 has 48 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 3190464.

The previous prime is 12030017. The next prime is 12030043. The reversal of 12030030 is 3003021.

It is a happy number.

12030030 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 an interprime number because it is at equal distance from previous prime (12030017) and next prime (12030043).

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

It is a junction number, because it is equal to n+sod(n) for n = 12029994 and 12030021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31219 + ... + 31601.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^12030030 is an apocalyptic number.

12030030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12030030 is an abundant number, since it is smaller than the sum of its proper divisors (19419570).

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

12030030 is a wasteful number, since it uses less digits than its factorization.

12030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 12030030 is about 3468.4333639267. The cubic root of 12030030 is about 229.1336659184.

Adding to 12030030 its reverse (3003021), we get a palindrome (15033051).

The spelling of 12030030 in words is "twelve million, thirty thousand, thirty".