12027012 has 24 divisors (see below), whose sum is σ = 28148736. Its totient is φ = 3996768.

The previous prime is 12027011. The next prime is 12027013. The reversal of 12027012 is 21072021.

It is an interprime number because it is at equal distance from previous prime (12027011) and next prime (12027013).

It is a junction number, because it is equal to n+sod(n) for n = 12026982 and 12027000.

It is not an unprimeable number, because it can be changed into a prime (12027011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (1172864).

Almost surely, 2^12027012 is an apocalyptic number.

12027012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12027012 is an abundant number, since it is smaller than the sum of its proper divisors (16121724).

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

12027012 is a wasteful number, since it uses less digits than its factorization.

12027012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 12027012 is about 3467.9982698958. The cubic root of 12027012 is about 229.1145032274.

Adding to 12027012 its reverse (21072021), we get a palindrome (33099033).

The spelling of 12027012 in words is "twelve million, twenty-seven thousand, twelve".