212020323103 has 4 divisors (see below), whose sum is σ = 212021447040. Its totient is φ = 212019199168.

The previous prime is 212020323089. The next prime is 212020323107. The reversal of 212020323103 is 301323020212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212020323103 - 2²⁵ = 211986768671 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 (212020323107) 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, 202258 + ... + 681871.

It is an arithmetic number, because the mean of its divisors is an integer number (53005361760).

Almost surely, 2^212020323103 is an apocalyptic number.

212020323103 is a deficient number, since it is larger than the sum of its proper divisors (1123937).

212020323103 is an equidigital number, since it uses as much as digits as its factorization.

212020323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123936.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212020323103 its reverse (301323020212), we get a palindrome (513343343315).

The spelling of 212020323103 in words is "two hundred twelve billion, twenty million, three hundred twenty-three thousand, one hundred three".