100003212003 has 4 divisors (see below), whose sum is σ = 133337616008. Its totient is φ = 66668808000.

The previous prime is 100003211989. The next prime is 100003212007. The reversal of 100003212003 is 300212300001.

It is a happy number.

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

It is not a de Polignac number, because 100003212003 - 2⁶ = 100003211939 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 100003212003.

It is not an unprimeable number, because it can be changed into a prime (100003212007) 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, 16667201998 + ... + 16667202003.

It is an arithmetic number, because the mean of its divisors is an integer number (33334404002).

Almost surely, 2^100003212003 is an apocalyptic number.

100003212003 is a deficient number, since it is larger than the sum of its proper divisors (33334404005).

100003212003 is an equidigital number, since it uses as much as digits as its factorization.

100003212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33334404004.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100003212003 its reverse (300212300001), we get a palindrome (400215512004).

The spelling of 100003212003 in words is "one hundred billion, three million, two hundred twelve thousand, three".