212020333309 has 8 divisors (see below), whose sum is σ = 226837976480. Its totient is φ = 197568558000.

The previous prime is 212020333241. The next prime is 212020333319. The reversal of 212020333309 is 903333020212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212020333309 - 2¹⁷ = 212020202237 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 (212020333319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91465767 + ... + 91468084.

It is an arithmetic number, because the mean of its divisors is an integer number (28354747060).

Almost surely, 2^212020333309 is an apocalyptic number.

It is an amenable number.

212020333309 is a deficient number, since it is larger than the sum of its proper divisors (14817643171).

212020333309 is a wasteful number, since it uses less digits than its factorization.

212020333309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182933931.

The product of its (nonzero) digits is 5832, while the sum is 28.

It can be divided in two parts, 2120203 and 33309, that added together give a palindrome (2153512).

The spelling of 212020333309 in words is "two hundred twelve billion, twenty million, three hundred thirty-three thousand, three hundred nine".