12326013216 has 96 divisors (see below), whose sum is σ = 39219163200. Its totient is φ = 3735152640.

The previous prime is 12326013209. The next prime is 12326013239. The reversal of 12326013216 is 61231062321.

12326013216 is a `hidden beast` number, since 1 + 2 + 32 + 601 + 3 + 21 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12326013216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638961 + ... + 657968.

It is an arithmetic number, because the mean of its divisors is an integer number (408532950).

Almost surely, 2^12326013216 is an apocalyptic number.

12326013216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12326013216 is an abundant number, since it is smaller than the sum of its proper divisors (26893149984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12326013216 is a wasteful number, since it uses less digits than its factorization.

12326013216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296959 (or 1296945 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 12326013216 its reverse (61231062321), we get a palindrome (73557075537).

The spelling of 12326013216 in words is "twelve billion, three hundred twenty-six million, thirteen thousand, two hundred sixteen".