12030180 has 48 divisors (see below), whose sum is σ = 34601280. Its totient is φ = 3120768.

The previous prime is 12030149. The next prime is 12030197. The reversal of 12030180 is 8103021.

12030180 = T₁₂₄ + T₁₂₅ + ... + T₄₁₉.

It is a happy number.

12030180 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (720860).

Almost surely, 2^12030180 is an apocalyptic number.

12030180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12030180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17300640).

12030180 is an abundant number, since it is smaller than the sum of its proper divisors (22571100).

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

12030180 is a wasteful number, since it uses less digits than its factorization.

12030180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468 (or 5466 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12030180 is about 3468.4549874548. The cubic root of 12030180 is about 229.1346182548.

The spelling of 12030180 in words is "twelve million, thirty thousand, one hundred eighty".