12212122221107 has 2 divisors, whose sum is σ = 12212122221108. Its totient is φ = 12212122221106.

The previous prime is 12212122221043. The next prime is 12212122221121. The reversal of 12212122221107 is 70112222121221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12212122221107 - 2⁶ = 12212122221043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212122221137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106061110553 + 6106061110554.

It is an arithmetic number, because the mean of its divisors is an integer number (6106061110554).

Almost surely, 2^{12212122221107} is an apocalyptic number.

12212122221107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212122221107 is an equidigital number, since it uses as much as digits as its factorization.

12212122221107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 12212122221107 its reverse (70112222121221), we get a palindrome (82324344342328).

The spelling of 12212122221107 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred seven".