12046281165 has 48 divisors (see below), whose sum is σ = 22490956800. Its totient is φ = 5947096320.

The previous prime is 12046281161. The next prime is 12046281173. The reversal of 12046281165 is 56118264021.

It is a happy number.

12046281165 is a `hidden beast` number, since 1 + 20 + 4 + 628 + 1 + 1 + 6 + 5 = 666.

12046281165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12046281165 - 2² = 12046281161 is a prime.

It is a super-2 number, since 2×12046281165² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046281161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155640 + ... + 219809.

It is an arithmetic number, because the mean of its divisors is an integer number (468561600).

Almost surely, 2^12046281165 is an apocalyptic number.

12046281165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12046281165 is a deficient number, since it is larger than the sum of its proper divisors (10444675635).

12046281165 is a wasteful number, since it uses less digits than its factorization.

12046281165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375514 (or 375511 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 12046281165 in words is "twelve billion, forty-six million, two hundred eighty-one thousand, one hundred sixty-five".