1220210120267 has 2 divisors, whose sum is σ = 1220210120268. Its totient is φ = 1220210120266.

The previous prime is 1220210120159. The next prime is 1220210120303. The reversal of 1220210120267 is 7620210120221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220210120267 - 2¹⁰ = 1220210119243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220210122267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105060133 + 610105060134.

It is an arithmetic number, because the mean of its divisors is an integer number (610105060134).

Almost surely, 2^{1220210120267} is an apocalyptic number.

1220210120267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220210120267 is an equidigital number, since it uses as much as digits as its factorization.

1220210120267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 1220210120267 its reverse (7620210120221), we get a palindrome (8840420240488).

The spelling of 1220210120267 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred twenty thousand, two hundred sixty-seven".