12217506833 has 16 divisors (see below), whose sum is σ = 14214328320. Its totient is φ = 10283922000.

The previous prime is 12217506823. The next prime is 12217506839. The reversal of 12217506833 is 33860571221.

It is a cyclic number.

It is not a de Polignac number, because 12217506833 - 2¹⁴ = 12217490449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12217506839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394358 + ... + 424208.

It is an arithmetic number, because the mean of its divisors is an integer number (888395520).

Almost surely, 2^12217506833 is an apocalyptic number.

It is an amenable number.

12217506833 is a deficient number, since it is larger than the sum of its proper divisors (1996821487).

12217506833 is an equidigital number, since it uses as much as digits as its factorization.

12217506833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30908.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12217506833 in words is "twelve billion, two hundred seventeen million, five hundred six thousand, eight hundred thirty-three".