212321341 has 4 divisors (see below), whose sum is σ = 212363712. Its totient is φ = 212278972.

The previous prime is 212321323. The next prime is 212321357. The reversal of 212321341 is 143123212.

It is a happy number.

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 212321341 - 2⁵ = 212321309 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 (212361341) 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, 12475 + ... + 24088.

It is an arithmetic number, because the mean of its divisors is an integer number (53090928).

Almost surely, 2^212321341 is an apocalyptic number.

It is an amenable number.

212321341 is a deficient number, since it is larger than the sum of its proper divisors (42371).

212321341 is an equidigital number, since it uses as much as digits as its factorization.

212321341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42370.

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

The square root of 212321341 is about 14571.2504954105. The cubic root of 212321341 is about 596.5743125926.

Adding to 212321341 its reverse (143123212), we get a palindrome (355444553).

The spelling of 212321341 in words is "two hundred twelve million, three hundred twenty-one thousand, three hundred forty-one".