1226310865099 has 2 divisors, whose sum is σ = 1226310865100. Its totient is φ = 1226310865098.

The previous prime is 1226310865081. The next prime is 1226310865121. The reversal of 1226310865099 is 9905680136221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1226310865099 - 2⁵ = 1226310865067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226310865009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613155432549 + 613155432550.

It is an arithmetic number, because the mean of its divisors is an integer number (613155432550).

Almost surely, 2^{1226310865099} is an apocalyptic number.

1226310865099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226310865099 is an equidigital number, since it uses as much as digits as its factorization.

1226310865099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 1226310865099 in words is "one trillion, two hundred twenty-six billion, three hundred ten million, eight hundred sixty-five thousand, ninety-nine".