12030372 has 18 divisors (see below), whose sum is σ = 30410198. Its totient is φ = 4010112.

The previous prime is 12030371. The next prime is 12030377. The reversal of 12030372 is 27303021.

12030372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 86436 = 3456^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12030371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167053 + ... + 167124.

Almost surely, 2^12030372 is an apocalyptic number.

12030372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12030372 is an abundant number, since it is smaller than the sum of its proper divisors (18379826).

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

12030372 is a wasteful number, since it uses less digits than its factorization.

12030372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334187 (or 334182 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12030372 is about 3468.4826653740. The cubic root of 12030372 is about 229.1358372338.

Adding to 12030372 its reverse (27303021), we get a palindrome (39333393).

The spelling of 12030372 in words is "twelve million, thirty thousand, three hundred seventy-two".