12081465705 has 8 divisors (see below), whose sum is σ = 19330345152. Its totient is φ = 6443448368.

The previous prime is 12081465679. The next prime is 12081465707. The reversal of 12081465705 is 50756418021.

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 12081465705 - 2¹¹ = 12081463657 is a prime.

It is a super-2 number, since 2×12081465705² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12081465707) 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, 402715509 + ... + 402715538.

It is an arithmetic number, because the mean of its divisors is an integer number (2416293144).

Almost surely, 2^12081465705 is an apocalyptic number.

12081465705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12081465705 is a deficient number, since it is larger than the sum of its proper divisors (7248879447).

12081465705 is an equidigital number, since it uses as much as digits as its factorization.

12081465705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805431055.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 12081465705 in words is "twelve billion, eighty-one million, four hundred sixty-five thousand, seven hundred five".