12012300 has 90 divisors (see below), whose sum is σ = 38965388. Its totient is φ = 3201120.

The previous prime is 12012289. The next prime is 12012331. The reversal of 12012300 is 321021.

It is a happy number.

12012300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (90).

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

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7359 + ... + 8841.

Almost surely, 2^12012300 is an apocalyptic number.

12012300 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 12012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19482694).

12012300 is an abundant number, since it is smaller than the sum of its proper divisors (26953088).

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

12012300 is a wasteful number, since it uses less digits than its factorization.

12012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1493 counting only the distinct ones).

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

The square root of 12012300 is about 3465.8765125145. The cubic root of 12012300 is about 229.0210439399.

Adding to 12012300 its reverse (321021), we get a palindrome (12333321).

The spelling of 12012300 in words is "twelve million, twelve thousand, three hundred".