122130213 has 16 divisors (see below), whose sum is σ = 165696960. Its totient is φ = 79998336.

The previous prime is 122130199. The next prime is 122130251. The reversal of 122130213 is 312031221.

It is not a de Polignac number, because 122130213 - 2⁵ = 122130181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122130192 and 122130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142081 + ... + 142937.

It is an arithmetic number, because the mean of its divisors is an integer number (10356060).

Almost surely, 2^122130213 is an apocalyptic number.

It is an amenable number.

122130213 is a deficient number, since it is larger than the sum of its proper divisors (43566747).

122130213 is an equidigital number, since it uses as much as digits as its factorization.

122130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122130213 is about 11051.2539107560. The cubic root of 122130213 is about 496.1439556247.

Adding to 122130213 its reverse (312031221), we get a palindrome (434161434).

The spelling of 122130213 in words is "one hundred twenty-two million, one hundred thirty thousand, two hundred thirteen".