212033120321 has 4 divisors (see below), whose sum is σ = 231308858544. Its totient is φ = 192757382100.

The previous prime is 212033120293. The next prime is 212033120339. The reversal of 212033120321 is 123021330212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212033120321 - 2¹⁴ = 212033103937 is a prime.

It is a super-2 number, since 2×212033120321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212033120293 and 212033120302.

It is not an unprimeable number, because it can be changed into a prime (212033122321) 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, 9637869095 + ... + 9637869116.

It is an arithmetic number, because the mean of its divisors is an integer number (57827214636).

Almost surely, 2^212033120321 is an apocalyptic number.

It is an amenable number.

212033120321 is a deficient number, since it is larger than the sum of its proper divisors (19275738223).

212033120321 is a wasteful number, since it uses less digits than its factorization.

212033120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275738222.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212033120321 its reverse (123021330212), we get a palindrome (335054450533).

The spelling of 212033120321 in words is "two hundred twelve billion, thirty-three million, one hundred twenty thousand, three hundred twenty-one".