122321213 has 8 divisors (see below), whose sum is σ = 142770432. Its totient is φ = 102615696.

The previous prime is 122321179. The next prime is 122321233. The reversal of 122321213 is 312123221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122321213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122321191 and 122321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122321233) 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, 185570 + ... + 186227.

It is an arithmetic number, because the mean of its divisors is an integer number (17846304).

Almost surely, 2^122321213 is an apocalyptic number.

It is an amenable number.

122321213 is a deficient number, since it is larger than the sum of its proper divisors (20449219).

122321213 is an equidigital number, since it uses as much as digits as its factorization.

122321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371851.

The product of its digits is 144, while the sum is 17.

The square root of 122321213 is about 11059.8920880811. The cubic root of 122321213 is about 496.4024615142.

Adding to 122321213 its reverse (312123221), we get a palindrome (434444434).

The spelling of 122321213 in words is "one hundred twenty-two million, three hundred twenty-one thousand, two hundred thirteen".