20312103301112 has 16 divisors (see below), whose sum is σ = 43525935645360. Its totient is φ = 8705187129024.

The previous prime is 20312103301111. The next prime is 20312103301153. The reversal of 20312103301112 is 21110330121302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312103301111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181358065133 + ... + 181358065244.

It is an arithmetic number, because the mean of its divisors is an integer number (2720370977835).

Almost surely, 2^{20312103301112} is an apocalyptic number.

It is an amenable number.

20312103301112 is an abundant number, since it is smaller than the sum of its proper divisors (23213832344248).

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

20312103301112 is a wasteful number, since it uses less digits than its factorization.

20312103301112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362716130390 (or 362716130386 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20312103301112 its reverse (21110330121302), we get a palindrome (41422433422414).

The spelling of 20312103301112 in words is "twenty trillion, three hundred twelve billion, one hundred three million, three hundred one thousand, one hundred twelve".