212020233321 has 16 divisors (see below), whose sum is σ = 304480770944. Its totient is φ = 130456220544.

The previous prime is 212020233317. The next prime is 212020233409. The reversal of 212020233321 is 123332020212.

It is a happy number.

It is not a de Polignac number, because 212020233321 - 2² = 212020233317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020233311) 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, 77221 + ... + 655746.

It is an arithmetic number, because the mean of its divisors is an integer number (19030048184).

Almost surely, 2^212020233321 is an apocalyptic number.

It is an amenable number.

212020233321 is a deficient number, since it is larger than the sum of its proper divisors (92460537623).

212020233321 is a wasteful number, since it uses less digits than its factorization.

212020233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740400.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212020233321 its reverse (123332020212), we get a palindrome (335352253533).

The spelling of 212020233321 in words is "two hundred twelve billion, twenty million, two hundred thirty-three thousand, three hundred twenty-one".