212013330103 has 4 divisors (see below), whose sum is σ = 224484702480. Its totient is φ = 199541957728.

The previous prime is 212013330097. The next prime is 212013330119. The reversal of 212013330103 is 301033310212.

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 212013330103 - 2¹³ = 212013321911 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 (212013330203) 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, 6235686163 + ... + 6235686196.

It is an arithmetic number, because the mean of its divisors is an integer number (56121175620).

Almost surely, 2^212013330103 is an apocalyptic number.

212013330103 is a deficient number, since it is larger than the sum of its proper divisors (12471372377).

212013330103 is a wasteful number, since it uses less digits than its factorization.

212013330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471372376.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 212013330103 its reverse (301033310212), we get a palindrome (513046640315).

The spelling of 212013330103 in words is "two hundred twelve billion, thirteen million, three hundred thirty thousand, one hundred three".