6021221212 has 12 divisors (see below), whose sum is σ = 10540817280. Its totient is φ = 3009559136.

The previous prime is 6021221209. The next prime is 6021221263. The reversal of 6021221212 is 2121221206.

It is a self number, because there is not a number n which added to its sum of digits gives 6021221212.

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 3 ways as a sum of consecutive naturals, for example, 249913 + ... + 272944.

It is an arithmetic number, because the mean of its divisors is an integer number (878401440).

Almost surely, 2^6021221212 is an apocalyptic number.

It is an amenable number.

6021221212 is a deficient number, since it is larger than the sum of its proper divisors (4519596068).

6021221212 is a wasteful number, since it uses less digits than its factorization.

6021221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525740 (or 525738 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 6021221212 is about 77596.5283501781. The cubic root of 6021221212 is about 1819.2603777281.

Adding to 6021221212 its reverse (2121221206), we get a palindrome (8142442418).

The spelling of 6021221212 in words is "six billion, twenty-one million, two hundred twenty-one thousand, two hundred twelve".