12016226305 has 8 divisors (see below), whose sum is σ = 14427044352. Its totient is φ = 9607932528.

The previous prime is 12016226291. The next prime is 12016226323. The reversal of 12016226305 is 50362261021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12016226305 is a prime.

It is a super-2 number, since 2×12016226305² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620577 + ... + 639646.

It is an arithmetic number, because the mean of its divisors is an integer number (1803380544).

Almost surely, 2^12016226305 is an apocalyptic number.

It is an amenable number.

12016226305 is a deficient number, since it is larger than the sum of its proper divisors (2410818047).

12016226305 is a wasteful number, since it uses less digits than its factorization.

12016226305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262135.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 12016226305 its reverse (50362261021), we get a palindrome (62378487326).

The spelling of 12016226305 in words is "twelve billion, sixteen million, two hundred twenty-six thousand, three hundred five".