212203201321 has 8 divisors (see below), whose sum is σ = 212400287424. Its totient is φ = 212006170320.

The previous prime is 212203201307. The next prime is 212203201339. The reversal of 212203201321 is 123102302212.

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 212203201321 - 2⁹ = 212203200809 is a prime.

It is a super-2 number, since 2×212203201321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212203201361) 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, 13101390 + ... + 13117576.

It is an arithmetic number, because the mean of its divisors is an integer number (26550035928).

Almost surely, 2^212203201321 is an apocalyptic number.

It is an amenable number.

212203201321 is a deficient number, since it is larger than the sum of its proper divisors (197086103).

212203201321 is a wasteful number, since it uses less digits than its factorization.

212203201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27551.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212203201321 its reverse (123102302212), we get a palindrome (335305503533).

The spelling of 212203201321 in words is "two hundred twelve billion, two hundred three million, two hundred one thousand, three hundred twenty-one".