63021212 has 12 divisors (see below), whose sum is σ = 113268120. Its totient is φ = 30658896.

The previous prime is 63021199. The next prime is 63021229. The reversal of 63021212 is 21212036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212762 + ... + 213057.

It is an arithmetic number, because the mean of its divisors is an integer number (9439010).

Almost surely, 2^63021212 is an apocalyptic number.

It is an amenable number.

63021212 is a deficient number, since it is larger than the sum of its proper divisors (50246908).

63021212 is a wasteful number, since it uses less digits than its factorization.

63021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425860 (or 425858 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 63021212 is about 7938.5900511363. The cubic root of 63021212 is about 397.9503738533.

Adding to 63021212 its reverse (21212036), we get a palindrome (84233248).

The spelling of 63021212 in words is "sixty-three million, twenty-one thousand, two hundred twelve".