12465340016 has 20 divisors (see below), whose sum is σ = 24165166872. Its totient is φ = 6229167936.

The previous prime is 12465340001. The next prime is 12465340021. The reversal of 12465340016 is 61004356421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189395 + ... + 246578.

Almost surely, 2^12465340016 is an apocalyptic number.

12465340016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12465340016 is a deficient number, since it is larger than the sum of its proper divisors (11699826856).

12465340016 is a wasteful number, since it uses less digits than its factorization.

12465340016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437768 (or 437762 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 12465340016 its reverse (61004356421), we get a palindrome (73469696437).

The spelling of 12465340016 in words is "twelve billion, four hundred sixty-five million, three hundred forty thousand, sixteen".