100012321320303 has 32 divisors (see below), whose sum is σ = 155534276736000. Its totient is φ = 57140949095328.

The previous prime is 100012321320277. The next prime is 100012321320323. The reversal of 100012321320303 is 303023123210001.

It is not a de Polignac number, because 100012321320303 - 2⁹ = 100012321319791 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100012321320303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012321320323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032051 + ... + 14180612.

It is an arithmetic number, because the mean of its divisors is an integer number (4860446148000).

Almost surely, 2^{100012321320303} is an apocalyptic number.

100012321320303 is a deficient number, since it is larger than the sum of its proper divisors (55521955415697).

100012321320303 is an equidigital number, since it uses as much as digits as its factorization.

100012321320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15219076 (or 15219062 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 100012321320303 its reverse (303023123210001), we get a palindrome (403035444530304).

The spelling of 100012321320303 in words is "one hundred trillion, twelve billion, three hundred twenty-one million, three hundred twenty thousand, three hundred three".