1222000001267 has 2 divisors, whose sum is σ = 1222000001268. Its totient is φ = 1222000001266.

The previous prime is 1222000001219. The next prime is 1222000001281. The reversal of 1222000001267 is 7621000002221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222000001267 - 2¹⁴ = 1221999984883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222000051267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000000633 + 611000000634.

It is an arithmetic number, because the mean of its divisors is an integer number (611000000634).

Almost surely, 2^{1222000001267} is an apocalyptic number.

1222000001267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000001267 is an equidigital number, since it uses as much as digits as its factorization.

1222000001267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1222000001267 its reverse (7621000002221), we get a palindrome (8843000003488).

The spelling of 1222000001267 in words is "one trillion, two hundred twenty-two billion, one thousand, two hundred sixty-seven".