12119321465 has 16 divisors (see below), whose sum is σ = 14774567808. Its totient is φ = 9541483776.

The previous prime is 12119321453. The next prime is 12119321477. The reversal of 12119321465 is 56412391121.

It is an interprime number because it is at equal distance from previous prime (12119321453) and next prime (12119321477).

It is a cyclic number.

It is not a de Polignac number, because 12119321465 - 2⁴ = 12119321449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339089 + ... + 373121.

It is an arithmetic number, because the mean of its divisors is an integer number (923410488).

Almost surely, 2^12119321465 is an apocalyptic number.

It is an amenable number.

12119321465 is a deficient number, since it is larger than the sum of its proper divisors (2655246343).

12119321465 is a wasteful number, since it uses less digits than its factorization.

12119321465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35168.

The product of its digits is 12960, while the sum is 35.

The spelling of 12119321465 in words is "twelve billion, one hundred nineteen million, three hundred twenty-one thousand, four hundred sixty-five".