212013103103 has 4 divisors (see below), whose sum is σ = 212017461600. Its totient is φ = 212008744608.

The previous prime is 212013103061. The next prime is 212013103121. The reversal of 212013103103 is 301301310212.

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 212013103103 - 2¹⁸ = 212012840959 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 (212013103123) 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, 2105450 + ... + 2203847.

It is an arithmetic number, because the mean of its divisors is an integer number (53004365400).

Almost surely, 2^212013103103 is an apocalyptic number.

212013103103 is a deficient number, since it is larger than the sum of its proper divisors (4358497).

212013103103 is an equidigital number, since it uses as much as digits as its factorization.

212013103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358496.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212013103103 its reverse (301301310212), we get a palindrome (513314413315).

The spelling of 212013103103 in words is "two hundred twelve billion, thirteen million, one hundred three thousand, one hundred three".