12000020212 has 6 divisors (see below), whose sum is σ = 21000035378. Its totient is φ = 6000010104.

The previous prime is 12000020203. The next prime is 12000020233. The reversal of 12000020212 is 21202000021.

12000020212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10315246096 + 1684774116 = 101564^2 + 41046^2 .

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 as a sum of consecutive naturals, namely, 1500002523 + ... + 1500002530.

Almost surely, 2^12000020212 is an apocalyptic number.

It is an amenable number.

12000020212 is a deficient number, since it is larger than the sum of its proper divisors (9000015166).

12000020212 is a wasteful number, since it uses less digits than its factorization.

12000020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000005057 (or 3000005055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000020212 its reverse (21202000021), we get a palindrome (33202020233).

The spelling of 12000020212 in words is "twelve billion, twenty thousand, two hundred twelve".