12221220001967 has 2 divisors, whose sum is σ = 12221220001968. Its totient is φ = 12221220001966.

The previous prime is 12221220001919. The next prime is 12221220002023. The reversal of 12221220001967 is 76910002212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221220001967 - 2¹⁰ = 12221220000943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221220001267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110610000983 + 6110610000984.

It is an arithmetic number, because the mean of its divisors is an integer number (6110610000984).

Almost surely, 2^{12221220001967} is an apocalyptic number.

12221220001967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221220001967 is an equidigital number, since it uses as much as digits as its factorization.

12221220001967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 12221220001967 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, one thousand, nine hundred sixty-seven".