20012012021112 has 16 divisors (see below), whose sum is σ = 50030030052840. Its totient is φ = 6670670673696.

The previous prime is 20012012021051. The next prime is 20012012021159. The reversal of 20012012021112 is 21112021021002.

It is a junction number, because it is equal to n+sod(n) for n = 20012012021091 and 20012012021100.

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, 416916917083 + ... + 416916917130.

Almost surely, 2^{20012012021112} is an apocalyptic number.

It is an amenable number.

20012012021112 is an abundant number, since it is smaller than the sum of its proper divisors (30018018031728).

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

20012012021112 is a wasteful number, since it uses less digits than its factorization.

20012012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833833834222 (or 833833834218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20012012021112 its reverse (21112021021002), we get a palindrome (41124033042114).

The spelling of 20012012021112 in words is "twenty trillion, twelve billion, twelve million, twenty-one thousand, one hundred twelve".