212202220033 has 4 divisors (see below), whose sum is σ = 212334106180. Its totient is φ = 212070333888.

The previous prime is 212202220031. The next prime is 212202220037. The reversal of 212202220033 is 330022202212.

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 154552769424 + 57649450609 = 393132^2 + 240103^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202220033 - 2¹ = 212202220031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202220031) 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, 65940660 + ... + 65943877.

It is an arithmetic number, because the mean of its divisors is an integer number (53083526545).

Almost surely, 2^212202220033 is an apocalyptic number.

It is an amenable number.

212202220033 is a deficient number, since it is larger than the sum of its proper divisors (131886147).

212202220033 is a wasteful number, since it uses less digits than its factorization.

212202220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131886146.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212202220033 its reverse (330022202212), we get a palindrome (542224422245).

The spelling of 212202220033 in words is "two hundred twelve billion, two hundred two million, two hundred twenty thousand, thirty-three".