1212224107 has 2 divisors, whose sum is σ = 1212224108. Its totient is φ = 1212224106.

The previous prime is 1212224077. The next prime is 1212224113. The reversal of 1212224107 is 7014222121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212224107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212224807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606112053 + 606112054.

It is an arithmetic number, because the mean of its divisors is an integer number (606112054).

Almost surely, 2^1212224107 is an apocalyptic number.

1212224107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212224107 is an equidigital number, since it uses as much as digits as its factorization.

1212224107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1212224107 is about 34817.0088749737. The cubic root of 1212224107 is about 1066.2547333958.

Adding to 1212224107 its reverse (7014222121), we get a palindrome (8226446228).

The spelling of 1212224107 in words is "one billion, two hundred twelve million, two hundred twenty-four thousand, one hundred seven".