20012221120112 has 40 divisors (see below), whose sum is σ = 42328272785904. Its totient is φ = 9109883579904.

The previous prime is 20012221120057. The next prime is 20012221120123. The reversal of 20012221120112 is 21102112221002.

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 7 ways as a sum of consecutive naturals, for example, 658975238 + ... + 659005605.

Almost surely, 2^{20012221120112} is an apocalyptic number.

It is an amenable number.

20012221120112 is an abundant number, since it is smaller than the sum of its proper divisors (22316051665792).

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

20012221120112 is a wasteful number, since it uses less digits than its factorization.

20012221120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317980937 (or 1317980931 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20012221120112 its reverse (21102112221002), we get a palindrome (41114333341114).

The spelling of 20012221120112 in words is "twenty trillion, twelve billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twelve".