212112220132033 has 4 divisors (see below), whose sum is σ = 228428544757588. Its totient is φ = 195795895506480.

The previous prime is 212112220132013. The next prime is 212112220132051. The reversal of 212112220132033 is 330231022211212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52350911864449 + 159761308267584 = 7235393^2 + 12639672^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112220132033 - 2⁹ = 212112220131521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212112220131989 and 212112220132007.

It is not an unprimeable number, because it can be changed into a prime (212112220132003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8158162312758 + ... + 8158162312783.

It is an arithmetic number, because the mean of its divisors is an integer number (57107136189397).

Almost surely, 2^{212112220132033} is an apocalyptic number.

It is an amenable number.

212112220132033 is a deficient number, since it is larger than the sum of its proper divisors (16316324625555).

212112220132033 is a wasteful number, since it uses less digits than its factorization.

212112220132033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16316324625554.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212112220132033 its reverse (330231022211212), we get a palindrome (542343242343245).

The spelling of 212112220132033 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty million, one hundred thirty-two thousand, thirty-three".