1227069216013 has 2 divisors, whose sum is σ = 1227069216014. Its totient is φ = 1227069216012.

The previous prime is 1227069215969. The next prime is 1227069216041. The reversal of 1227069216013 is 3106129607221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703446206089 + 523623009924 = 838717^2 + 723618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227069216013 - 2²⁵ = 1227035661581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227069216083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613534608006 + 613534608007.

It is an arithmetic number, because the mean of its divisors is an integer number (613534608007).

Almost surely, 2^{1227069216013} is an apocalyptic number.

It is an amenable number.

1227069216013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227069216013 is an equidigital number, since it uses as much as digits as its factorization.

1227069216013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 1227069216013 in words is "one trillion, two hundred twenty-seven billion, sixty-nine million, two hundred sixteen thousand, thirteen".