103212003 has 4 divisors (see below), whose sum is σ = 137616008. Its totient is φ = 68808000.

The previous prime is 103211963. The next prime is 103212019. The reversal of 103212003 is 300212301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300212301 = 3 ⋅100070767.

It is not a de Polignac number, because 103212003 - 2⁸ = 103211747 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 103212003.

It is not an unprimeable number, because it can be changed into a prime (103212023) 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, 17201998 + ... + 17202003.

It is an arithmetic number, because the mean of its divisors is an integer number (34404002).

Almost surely, 2^103212003 is an apocalyptic number.

103212003 is a deficient number, since it is larger than the sum of its proper divisors (34404005).

103212003 is an equidigital number, since it uses as much as digits as its factorization.

103212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404004.

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

The square root of 103212003 is about 10159.3308342627. The cubic root of 103212003 is about 469.0762041589.

Adding to 103212003 its reverse (300212301), we get a palindrome (403424304).

The spelling of 103212003 in words is "one hundred three million, two hundred twelve thousand, three".