12020012 has 12 divisors (see below), whose sum is σ = 21146496. Its totient is φ = 5978160.

The previous prime is 12019993. The next prime is 12020051. The reversal of 12020012 is 21002021.

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 3 ways as a sum of consecutive naturals, for example, 7103 + ... + 8630.

It is an arithmetic number, because the mean of its divisors is an integer number (1762208).

Almost surely, 2^12020012 is an apocalyptic number.

It is an amenable number.

12020012 is a deficient number, since it is larger than the sum of its proper divisors (9126484).

12020012 is a wasteful number, since it uses less digits than its factorization.

12020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928 (or 15926 counting only the distinct ones).

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

The square root of 12020012 is about 3466.9888952807. The cubic root of 12020012 is about 229.0700446156.

Adding to 12020012 its reverse (21002021), we get a palindrome (33022033).

Subtracting 12020012 from its reverse (21002021), we obtain a square (8982009 = 2997²).

The spelling of 12020012 in words is "twelve million, twenty thousand, twelve".