12003201212 has 24 divisors (see below), whose sum is σ = 21308313600. Its totient is φ = 5915166320.

The previous prime is 12003201193. The next prime is 12003201229. The reversal of 12003201212 is 21210230021.

It is a happy number.

12003201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1358513 + ... + 1367319.

It is an arithmetic number, because the mean of its divisors is an integer number (887846400).

Almost surely, 2^12003201212 is an apocalyptic number.

It is an amenable number.

12003201212 is a deficient number, since it is larger than the sum of its proper divisors (9305112388).

12003201212 is a wasteful number, since it uses less digits than its factorization.

12003201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12003201212 its reverse (21210230021), we get a palindrome (33213431233).

The spelling of 12003201212 in words is "twelve billion, three million, two hundred one thousand, two hundred twelve".