122612219 has 2 divisors, whose sum is σ = 122612220. Its totient is φ = 122612218.

The previous prime is 122612213. The next prime is 122612227. The reversal of 122612219 is 912216221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122612219 is a prime.

It is a super-2 number, since 2×122612219² = 30067512496207922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122612213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61306109 + 61306110.

It is an arithmetic number, because the mean of its divisors is an integer number (61306110).

Almost surely, 2^122612219 is an apocalyptic number.

122612219 is a deficient number, since it is larger than the sum of its proper divisors (1).

122612219 is an equidigital number, since it uses as much as digits as its factorization.

122612219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 122612219 is about 11073.0401877714. The cubic root of 122612219 is about 496.7958020944.

The spelling of 122612219 in words is "one hundred twenty-two million, six hundred twelve thousand, two hundred nineteen".