122213123 has 2 divisors, whose sum is σ = 122213124. Its totient is φ = 122213122.

The previous prime is 122213083. The next prime is 122213173. The reversal of 122213123 is 321312221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122213123 - 2¹² = 122209027 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (122213173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106561 + 61106562.

It is an arithmetic number, because the mean of its divisors is an integer number (61106562).

Almost surely, 2^122213123 is an apocalyptic number.

122213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122213123 is an equidigital number, since it uses as much as digits as its factorization.

122213123 is an evil number, because the sum of its binary digits is even.

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

The square root of 122213123 is about 11055.0044323826. The cubic root of 122213123 is about 496.2562019160.

Adding to 122213123 its reverse (321312221), we get a palindrome (443525344).

It can be divided in two parts, 12221 and 3123, that multiplied together give a palindrome (38166183).

The spelling of 122213123 in words is "one hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-three".