1226310865109 has 8 divisors (see below), whose sum is σ = 1408203864480. Its totient is φ = 1056152898000.

The previous prime is 1226310865099. The next prime is 1226310865121. The reversal of 1226310865109 is 9015680136221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226310865109 - 2⁸ = 1226310864853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226310865109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226310865139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933757842 + ... + 2933758259.

It is an arithmetic number, because the mean of its divisors is an integer number (176025483060).

Almost surely, 2^{1226310865109} is an apocalyptic number.

1226310865109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1226310865109 is a deficient number, since it is larger than the sum of its proper divisors (181892999371).

1226310865109 is a wasteful number, since it uses less digits than its factorization.

1226310865109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867516131.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 1226310865109 in words is "one trillion, two hundred twenty-six billion, three hundred ten million, eight hundred sixty-five thousand, one hundred nine".