212020333213 has 16 divisors (see below), whose sum is σ = 229246945200. Its totient is φ = 194926233600.

The previous prime is 212020333169. The next prime is 212020333223. The reversal of 212020333213 is 312333020212.

It can be written as a sum of positive squares in 8 ways, for example, as 970135609 + 211050197604 = 31147^2 + 459402^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020333213 - 2²¹ = 212018236061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020333223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515053 + ... + 3574861.

It is an arithmetic number, because the mean of its divisors is an integer number (14327934075).

Almost surely, 2^212020333213 is an apocalyptic number.

It is an amenable number.

212020333213 is a deficient number, since it is larger than the sum of its proper divisors (17226611987).

212020333213 is a wasteful number, since it uses less digits than its factorization.

212020333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60912.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212020333213 its reverse (312333020212), we get a palindrome (524353353425).

The spelling of 212020333213 in words is "two hundred twelve billion, twenty million, three hundred thirty-three thousand, two hundred thirteen".