213212022321 has 8 divisors (see below), whose sum is σ = 296642813760. Its totient is φ = 135961289552.

The previous prime is 213212022313. The next prime is 213212022323. The reversal of 213212022321 is 123220212312.

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 213212022321 - 2³ = 213212022313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213212022323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545014586 + ... + 1545014723.

It is an arithmetic number, because the mean of its divisors is an integer number (37080351720).

Almost surely, 2^213212022321 is an apocalyptic number.

It is an amenable number.

213212022321 is a deficient number, since it is larger than the sum of its proper divisors (83430791439).

213212022321 is a wasteful number, since it uses less digits than its factorization.

213212022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090029335.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213212022321 its reverse (123220212312), we get a palindrome (336432234633).

The spelling of 213212022321 in words is "two hundred thirteen billion, two hundred twelve million, twenty-two thousand, three hundred twenty-one".