20212012120012 has 12 divisors (see below), whose sum is σ = 35371072194136. Its totient is φ = 10105991493120.

The previous prime is 20212012119991. The next prime is 20212012120073. The reversal of 20212012120012 is 21002121021202.

It is a happy 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, 147189 + ... + 6359692.

Almost surely, 2^{20212012120012} is an apocalyptic number.

It is an amenable number.

20212012120012 is a deficient number, since it is larger than the sum of its proper divisors (15159060074124).

20212012120012 is a wasteful number, since it uses less digits than its factorization.

20212012120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283448 (or 7283446 counting only the distinct ones).

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

Adding to 20212012120012 its reverse (21002121021202), we get a palindrome (41214133141214).

The spelling of 20212012120012 in words is "twenty trillion, two hundred twelve billion, twelve million, one hundred twenty thousand, twelve".