12230117561 has 8 divisors (see below), whose sum is σ = 12399974280. Its totient is φ = 12060323712.

The previous prime is 12230117527. The next prime is 12230117563. The reversal of 12230117561 is 16571103221.

It can be written as a sum of positive squares in 4 ways, for example, as 183738025 + 12046379536 = 13555^2 + 109756^2 .

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 12230117561 - 2¹⁰ = 12230116537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230117563) 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, 486251 + ... + 510783.

It is an arithmetic number, because the mean of its divisors is an integer number (1549996785).

Almost surely, 2^12230117561 is an apocalyptic number.

It is an amenable number.

12230117561 is a deficient number, since it is larger than the sum of its proper divisors (169856719).

12230117561 is an equidigital number, since it uses as much as digits as its factorization.

12230117561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31435.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 12230117561 in words is "twelve billion, two hundred thirty million, one hundred seventeen thousand, five hundred sixty-one".