122320213 has 4 divisors (see below), whose sum is σ = 122364000. Its totient is φ = 122276428.

The previous prime is 122320207. The next prime is 122320217. The reversal of 122320213 is 312023221.

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 122320213 - 2⁵ = 122320181 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 (122320217) 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, 17395 + ... + 23392.

It is an arithmetic number, because the mean of its divisors is an integer number (30591000).

Almost surely, 2^122320213 is an apocalyptic number.

It is an amenable number.

122320213 is a deficient number, since it is larger than the sum of its proper divisors (43787).

122320213 is an equidigital number, since it uses as much as digits as its factorization.

122320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43786.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122320213 is about 11059.8468795911. The cubic root of 122320213 is about 496.4011087812.

Adding to 122320213 its reverse (312023221), we get a palindrome (434343434).

The spelling of 122320213 in words is "one hundred twenty-two million, three hundred twenty thousand, two hundred thirteen".