20212021210012 has 12 divisors (see below), whose sum is σ = 36193619376376. Its totient is φ = 9870987102480.

The previous prime is 20212021209997. The next prime is 20212021210027. The reversal of 20212021210012 is 21001212021202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20212021209997) and next prime (20212021210027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58755875439 + ... + 58755875782.

Almost surely, 2^{20212021210012} is an apocalyptic number.

It is an amenable number.

20212021210012 is a deficient number, since it is larger than the sum of its proper divisors (15981598166364).

20212021210012 is a wasteful number, since it uses less digits than its factorization.

20212021210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117511751268 (or 117511751266 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212021210012 its reverse (21001212021202), we get a palindrome (41213233231214).

The spelling of 20212021210012 in words is "twenty trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, twelve".