1222124212271 has 2 divisors, whose sum is σ = 1222124212272. Its totient is φ = 1222124212270.

The previous prime is 1222124212247. The next prime is 1222124212273. The reversal of 1222124212271 is 1722124212221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222124212271 - 2¹⁸ = 1222123950127 is a prime.

It is a Sophie Germain prime.

Together with 1222124212273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222124212273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611062106135 + 611062106136.

It is an arithmetic number, because the mean of its divisors is an integer number (611062106136).

Almost surely, 2^{1222124212271} is an apocalyptic number.

1222124212271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222124212271 is an equidigital number, since it uses as much as digits as its factorization.

1222124212271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 29.

Adding to 1222124212271 its reverse (1722124212221), we get a palindrome (2944248424492).

The spelling of 1222124212271 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, two hundred seventy-one".