12031012 has 12 divisors (see below), whose sum is σ = 24062080. Its totient is φ = 5156136.

The previous prime is 12031003. The next prime is 12031039. The reversal of 12031012 is 21013021.

12031012 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12031012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214812 + ... + 214867.

Almost surely, 2^12031012 is an apocalyptic number.

It is an amenable number.

12031012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12031012 is a wasteful number, since it uses less digits than its factorization.

12031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429690 (or 429688 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12031012 is about 3468.5749235097. The cubic root of 12031012 is about 229.1399004037.

Adding to 12031012 its reverse (21013021), we get a palindrome (33044033).

Subtracting 12031012 from its reverse (21013021), we obtain a square (8982009 = 2997²).

The spelling of 12031012 in words is "twelve million, thirty-one thousand, twelve".