1212212222027 has 2 divisors, whose sum is σ = 1212212222028. Its totient is φ = 1212212222026.

The previous prime is 1212212222017. The next prime is 1212212222033. The reversal of 1212212222027 is 7202222122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212212222027 - 2⁸ = 1212212221771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212212221987 and 1212212222005.

It is not a weakly prime, because it can be changed into another prime (1212212222017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106111013 + 606106111014.

It is an arithmetic number, because the mean of its divisors is an integer number (606106111014).

Almost surely, 2^{1212212222027} is an apocalyptic number.

1212212222027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212222027 is an equidigital number, since it uses as much as digits as its factorization.

1212212222027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 1212212222027 its reverse (7202222122121), we get a palindrome (8414434344148).

The spelling of 1212212222027 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, twenty-seven".