103212012003 has 4 divisors (see below), whose sum is σ = 137616016008. Its totient is φ = 68808008000.

The previous prime is 103212011999. The next prime is 103212012031. The reversal of 103212012003 is 300210212301.

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 103212012003 - 2² = 103212011999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103212012103) 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, 17202001998 + ... + 17202002003.

It is an arithmetic number, because the mean of its divisors is an integer number (34404004002).

Almost surely, 2^103212012003 is an apocalyptic number.

103212012003 is a deficient number, since it is larger than the sum of its proper divisors (34404004005).

103212012003 is an equidigital number, since it uses as much as digits as its factorization.

103212012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34404004004.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103212012003 its reverse (300210212301), we get a palindrome (403422224304).

The spelling of 103212012003 in words is "one hundred three billion, two hundred twelve million, twelve thousand, three".