100012320103 has 4 divisors (see below), whose sum is σ = 100102994208. Its totient is φ = 99921646000.

The previous prime is 100012320077. The next prime is 100012320113. The reversal of 100012320103 is 301023210001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100012320103 - 2¹³ = 100012311911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012320113) 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, 45335398 + ... + 45337603.

It is an arithmetic number, because the mean of its divisors is an integer number (25025748552).

Almost surely, 2^100012320103 is an apocalyptic number.

100012320103 is a deficient number, since it is larger than the sum of its proper divisors (90674105).

100012320103 is an equidigital number, since it uses as much as digits as its factorization.

100012320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90674104.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100012320103 its reverse (301023210001), we get a palindrome (401035530104).

The spelling of 100012320103 in words is "one hundred billion, twelve million, three hundred twenty thousand, one hundred three".