1212211011707 has 2 divisors, whose sum is σ = 1212211011708. Its totient is φ = 1212211011706.

The previous prime is 1212211011653. The next prime is 1212211011719. The reversal of 1212211011707 is 7071101122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212211011707 - 2⁶ = 1212211011643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212211011007) 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, 606105505853 + 606105505854.

It is an arithmetic number, because the mean of its divisors is an integer number (606105505854).

Almost surely, 2^{1212211011707} is an apocalyptic number.

1212211011707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212211011707 is an equidigital number, since it uses as much as digits as its factorization.

1212211011707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 26.

Adding to 1212211011707 its reverse (7071101122121), we get a palindrome (8283312133828).

The spelling of 1212211011707 in words is "one trillion, two hundred twelve billion, two hundred eleven million, eleven thousand, seven hundred seven".