12012261307586 has 8 divisors (see below), whose sum is σ = 18018421475340. Its totient is φ = 6006120815808.

The previous prime is 12012261307567. The next prime is 12012261307609. The reversal of 12012261307586 is 68570316221021.

It can be written as a sum of positive squares in 2 ways, for example, as 11897194491361 + 115066816225 = 3449231^2 + 339215^2 .

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

It is a super-2 number, since 2×12012261307586² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284051 + ... + 5899958.

Almost surely, 2^{12012261307586} is an apocalyptic number.

12012261307586 is a deficient number, since it is larger than the sum of its proper divisors (6006160167754).

12012261307586 is an equidigital number, since it uses as much as digits as its factorization.

12012261307586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837988.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12012261307586 in words is "twelve trillion, twelve billion, two hundred sixty-one million, three hundred seven thousand, five hundred eighty-six".