212133320343103 has 4 divisors (see below), whose sum is σ = 215039256238288. Its totient is φ = 209227384447920.

The previous prime is 212133320343047. The next prime is 212133320343137. The reversal of 212133320343103 is 301343023331212.

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 212133320343103 - 2⁴¹ = 209934297087551 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 (212133320340103) 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, 1452967947483 + ... + 1452967947628.

It is an arithmetic number, because the mean of its divisors is an integer number (53759814059572).

Almost surely, 2^{212133320343103} is an apocalyptic number.

212133320343103 is a deficient number, since it is larger than the sum of its proper divisors (2905935895185).

212133320343103 is an equidigital number, since it uses as much as digits as its factorization.

212133320343103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905935895184.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 212133320343103 its reverse (301343023331212), we get a palindrome (513476343674315).

The spelling of 212133320343103 in words is "two hundred twelve trillion, one hundred thirty-three billion, three hundred twenty million, three hundred forty-three thousand, one hundred three".