12210211210103 has 4 divisors (see below), whose sum is σ = 12217423386168. Its totient is φ = 12202999034040.

The previous prime is 12210211209971. The next prime is 12210211210117. The reversal of 12210211210103 is 30101211201221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210211210103 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 (12210211210303) 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, 3606085493 + ... + 3606088878.

It is an arithmetic number, because the mean of its divisors is an integer number (3054355846542).

Almost surely, 2^{12210211210103} is an apocalyptic number.

12210211210103 is a deficient number, since it is larger than the sum of its proper divisors (7212176065).

12210211210103 is an equidigital number, since it uses as much as digits as its factorization.

12210211210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212176064.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12210211210103 its reverse (30101211201221), we get a palindrome (42311422411324).

The spelling of 12210211210103 in words is "twelve trillion, two hundred ten billion, two hundred eleven million, two hundred ten thousand, one hundred three".