1271882166223 has 2 divisors, whose sum is σ = 1271882166224. Its totient is φ = 1271882166222.

The previous prime is 1271882166167. The next prime is 1271882166227. The reversal of 1271882166223 is 3226612881721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1271882166223 is a prime.

It is a super-2 number, since 2×1271882166223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1271882166227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635941083111 + 635941083112.

It is an arithmetic number, because the mean of its divisors is an integer number (635941083112).

Almost surely, 2^{1271882166223} is an apocalyptic number.

1271882166223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271882166223 is an equidigital number, since it uses as much as digits as its factorization.

1271882166223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The spelling of 1271882166223 in words is "one trillion, two hundred seventy-one billion, eight hundred eighty-two million, one hundred sixty-six thousand, two hundred twenty-three".