12227758305 has 64 divisors (see below), whose sum is σ = 22622312448. Its totient is φ = 5524346880.

The previous prime is 12227758289. The next prime is 12227758343. The reversal of 12227758305 is 50385772221.

It is not a de Polignac number, because 12227758305 - 2⁴ = 12227758289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5874865 + ... + 5876945.

It is an arithmetic number, because the mean of its divisors is an integer number (353473632).

Almost surely, 2^12227758305 is an apocalyptic number.

12227758305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12227758305 is a deficient number, since it is larger than the sum of its proper divisors (10394554143).

12227758305 is a wasteful number, since it uses less digits than its factorization.

12227758305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 12227758305 in words is "twelve billion, two hundred twenty-seven million, seven hundred fifty-eight thousand, three hundred five".