20121032023113 has 16 divisors (see below), whose sum is σ = 32274337080320. Its totient is φ = 10892588764176.

The previous prime is 20121032023097. The next prime is 20121032023163. The reversal of 20121032023113 is 31132023012102.

It is not a de Polignac number, because 20121032023113 - 2⁴ = 20121032023097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20121032023113.

It is not an unprimeable number, because it can be changed into a prime (20121032023163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25214325445 + ... + 25214326242.

It is an arithmetic number, because the mean of its divisors is an integer number (2017146067520).

Almost surely, 2^{20121032023113} is an apocalyptic number.

It is an amenable number.

20121032023113 is a deficient number, since it is larger than the sum of its proper divisors (12153305057207).

20121032023113 is a wasteful number, since it uses less digits than its factorization.

20121032023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428651716.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20121032023113 its reverse (31132023012102), we get a palindrome (51253055035215).

The spelling of 20121032023113 in words is "twenty trillion, one hundred twenty-one billion, thirty-two million, twenty-three thousand, one hundred thirteen".