1226571120197 has 8 divisors (see below), whose sum is σ = 1281260471040. Its totient is φ = 1171995117040.

The previous prime is 1226571120133. The next prime is 1226571120211. The reversal of 1226571120197 is 7910211756221.

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 1226571120197 - 2⁶ = 1226571120133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226571120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28314797 + ... + 28358082.

It is an arithmetic number, because the mean of its divisors is an integer number (160157558880).

Almost surely, 2^{1226571120197} is an apocalyptic number.

It is an amenable number.

1226571120197 is a deficient number, since it is larger than the sum of its proper divisors (54689350843).

1226571120197 is an equidigital number, since it uses as much as digits as its factorization.

1226571120197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56673843.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 1226571120197 in words is "one trillion, two hundred twenty-six billion, five hundred seventy-one million, one hundred twenty thousand, one hundred ninety-seven".