321212200213 has 4 divisors (see below), whose sum is σ = 322627232160. Its totient is φ = 319797168268.

The previous prime is 321212200207. The next prime is 321212200223. The reversal of 321212200213 is 312002212123.

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 321212200213 - 2¹⁷ = 321212069141 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 (321212200223) 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, 707515633 + ... + 707516086.

It is an arithmetic number, because the mean of its divisors is an integer number (80656808040).

Almost surely, 2^321212200213 is an apocalyptic number.

It is an amenable number.

321212200213 is a deficient number, since it is larger than the sum of its proper divisors (1415031947).

321212200213 is a wasteful number, since it uses less digits than its factorization.

321212200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415031946.

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

Adding to 321212200213 its reverse (312002212123), we get a palindrome (633214412336).

The spelling of 321212200213 in words is "three hundred twenty-one billion, two hundred twelve million, two hundred thousand, two hundred thirteen".