20120020102112 has 48 divisors (see below), whose sum is σ = 45289334885760. Its totient is φ = 8619191538048.

The previous prime is 20120020102111. The next prime is 20120020102129. The reversal of 20120020102112 is 21120102002102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120020102111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18609662 + ... + 19661117.

It is an arithmetic number, because the mean of its divisors is an integer number (943527810120).

Almost surely, 2^{20120020102112} is an apocalyptic number.

It is an amenable number.

20120020102112 is an abundant number, since it is smaller than the sum of its proper divisors (25169314783648).

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

20120020102112 is a wasteful number, since it uses less digits than its factorization.

20120020102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38273143 (or 38273135 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120020102112 its reverse (21120102002102), we get a palindrome (41240122104214).

The spelling of 20120020102112 in words is "twenty trillion, one hundred twenty billion, twenty million, one hundred two thousand, one hundred twelve".