12165401146 has 16 divisors (see below), whose sum is σ = 18281124576. Its totient is φ = 6071705136.

The previous prime is 12165401119. The next prime is 12165401159. The reversal of 12165401146 is 64110456121.

12165401146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12165401146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3633045 + ... + 3636391.

It is an arithmetic number, because the mean of its divisors is an integer number (1142570286).

Almost surely, 2^12165401146 is an apocalyptic number.

12165401146 is a deficient number, since it is larger than the sum of its proper divisors (6115723430).

12165401146 is a wasteful number, since it uses less digits than its factorization.

12165401146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 12165401146 its reverse (64110456121), we get a palindrome (76275857267).

The spelling of 12165401146 in words is "twelve billion, one hundred sixty-five million, four hundred one thousand, one hundred forty-six".