20120011112323 has 48 divisors (see below), whose sum is σ = 21042310348800. Its totient is φ = 19231478481600.

The previous prime is 20120011112287. The next prime is 20120011112363. The reversal of 20120011112323 is 32321111002102.

It is not a de Polignac number, because 20120011112323 - 2²⁹ = 20119474241411 is a prime.

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 20120011112323.

It is not an unprimeable number, because it can be changed into a prime (20120011112363) 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 47 ways as a sum of consecutive naturals, for example, 8386831278 + ... + 8386833676.

It is an arithmetic number, because the mean of its divisors is an integer number (438381465600).

Almost surely, 2^{20120011112323} is an apocalyptic number.

20120011112323 is a deficient number, since it is larger than the sum of its proper divisors (922299236477).

20120011112323 is a wasteful number, since it uses less digits than its factorization.

20120011112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20120011112323 its reverse (32321111002102), we get a palindrome (52441122114425).

The spelling of 20120011112323 in words is "twenty trillion, one hundred twenty billion, eleven million, one hundred twelve thousand, three hundred twenty-three".