20330001212 has 12 divisors (see below), whose sum is σ = 35622714120. Its totient is φ = 10152082896.

The previous prime is 20330001203. The next prime is 20330001229. The reversal of 20330001212 is 21210003302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225887 + ... + 3232182.

It is an arithmetic number, because the mean of its divisors is an integer number (2968559510).

Almost surely, 2^20330001212 is an apocalyptic number.

It is an amenable number.

20330001212 is a deficient number, since it is larger than the sum of its proper divisors (15292712908).

20330001212 is a wasteful number, since it uses less digits than its factorization.

20330001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458860 (or 6458858 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20330001212 its reverse (21210003302), we get a palindrome (41540004514).

The spelling of 20330001212 in words is "twenty billion, three hundred thirty million, one thousand, two hundred twelve".