1212210122267 has 2 divisors, whose sum is σ = 1212210122268. Its totient is φ = 1212210122266.

The previous prime is 1212210122257. The next prime is 1212210122287. The reversal of 1212210122267 is 7622210122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210122267 - 2⁴ = 1212210122251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212210122257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105061133 + 606105061134.

It is an arithmetic number, because the mean of its divisors is an integer number (606105061134).

Almost surely, 2^{1212210122267} is an apocalyptic number.

1212210122267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210122267 is an equidigital number, since it uses as much as digits as its factorization.

1212210122267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 1212210122267 its reverse (7622210122121), we get a palindrome (8834420244388).

The spelling of 1212210122267 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred sixty-seven".