12002012 has 24 divisors (see below), whose sum is σ = 23475312. Its totient is φ = 5321600.

The previous prime is 12001999. The next prime is 12002059. The reversal of 12002012 is 21020021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (978138).

Almost surely, 2^12002012 is an apocalyptic number.

It is an amenable number.

12002012 is a deficient number, since it is larger than the sum of its proper divisors (11473300).

12002012 is a wasteful number, since it uses less digits than its factorization.

12002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 12002012 is about 3464.3920101513. The cubic root of 12002012 is about 228.9556431570.

Adding to 12002012 its reverse (21020021), we get a palindrome (33022033).

Subtracting 12002012 from its reverse (21020021), we obtain a square (9018009 = 3003²).

The spelling of 12002012 in words is "twelve million, two thousand, twelve".