12020212012 has 6 divisors (see below), whose sum is σ = 21035371028. Its totient is φ = 6010106004.

The previous prime is 12020211997. The next prime is 12020212033. The reversal of 12020212012 is 21021202021.

It is a happy number.

12020212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12020211983 and 12020212001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502526498 + ... + 1502526505.

Almost surely, 2^12020212012 is an apocalyptic number.

It is an amenable number.

12020212012 is a deficient number, since it is larger than the sum of its proper divisors (9015159016).

12020212012 is a wasteful number, since it uses less digits than its factorization.

12020212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005053007 (or 3005053005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020212012 its reverse (21021202021), we get a palindrome (33041414033).

Subtracting 12020212012 from its reverse (21021202021), we obtain a palindrome (9000990009).

The spelling of 12020212012 in words is "twelve billion, twenty million, two hundred twelve thousand, twelve".