1231075222117 has 8 divisors (see below), whose sum is σ = 1395550859360. Its totient is φ = 1076567805360.

The previous prime is 1231075222073. The next prime is 1231075222123. The reversal of 1231075222117 is 7112225701321.

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

It is not a de Polignac number, because 1231075222117 - 2¹¹ = 1231075220069 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 (1231075222177) 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 in 7 ways as a sum of consecutive naturals, for example, 2492054859 + ... + 2492055352.

It is an arithmetic number, because the mean of its divisors is an integer number (174443857420).

Almost surely, 2^{1231075222117} is an apocalyptic number.

It is an amenable number.

1231075222117 is a deficient number, since it is larger than the sum of its proper divisors (164475637243).

1231075222117 is a wasteful number, since it uses less digits than its factorization.

1231075222117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984110243.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 1231075222117 in words is "one trillion, two hundred thirty-one billion, seventy-five million, two hundred twenty-two thousand, one hundred seventeen".