1222124212247 has 2 divisors, whose sum is σ = 1222124212248. Its totient is φ = 1222124212246.

The previous prime is 1222124212219. The next prime is 1222124212271. The reversal of 1222124212247 is 7422124212221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222124212247 - 2³⁸ = 947246305303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222124217247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611062106123 + 611062106124.

It is an arithmetic number, because the mean of its divisors is an integer number (611062106124).

Almost surely, 2^{1222124212247} is an apocalyptic number.

1222124212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222124212247 is an equidigital number, since it uses as much as digits as its factorization.

1222124212247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 32.

Adding to 1222124212247 its reverse (7422124212221), we get a palindrome (8644248424468).

The spelling of 1222124212247 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, two hundred forty-seven".