212040043104133 has 4 divisors (see below), whose sum is σ = 212040119380320. Its totient is φ = 212039966827948.

The previous prime is 212040043104077. The next prime is 212040043104163. The reversal of 212040043104133 is 331401340040212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212040043104133 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 (212040043104163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33804073 + ... + 39582766.

It is an arithmetic number, because the mean of its divisors is an integer number (53010029845080).

Almost surely, 2^{212040043104133} is an apocalyptic number.

It is an amenable number.

212040043104133 is a deficient number, since it is larger than the sum of its proper divisors (76276187).

212040043104133 is an equidigital number, since it uses as much as digits as its factorization.

212040043104133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76276186.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 212040043104133 its reverse (331401340040212), we get a palindrome (543441383144345).

The spelling of 212040043104133 in words is "two hundred twelve trillion, forty billion, forty-three million, one hundred four thousand, one hundred thirty-three".