20003212033212 has 12 divisors (see below), whose sum is σ = 46674161410856. Its totient is φ = 6667737344400.

The previous prime is 20003212033199. The next prime is 20003212033241. The reversal of 20003212033212 is 21233021230002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833467168039 + ... + 833467168062.

Almost surely, 2^{20003212033212} is an apocalyptic number.

It is an amenable number.

20003212033212 is an abundant number, since it is smaller than the sum of its proper divisors (26670949377644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003212033212 is a wasteful number, since it uses less digits than its factorization.

20003212033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666934336108 (or 1666934336106 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20003212033212 its reverse (21233021230002), we get a palindrome (41236233263214).

The spelling of 20003212033212 in words is "twenty trillion, three billion, two hundred twelve million, thirty-three thousand, two hundred twelve".