12208995611 has 8 divisors (see below), whose sum is σ = 12458320560. Its totient is φ = 11961083872.

The previous prime is 12208995599. The next prime is 12208995619. The reversal of 12208995611 is 11659980221.

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

It is a cyclic number.

It is not a de Polignac number, because 12208995611 - 2¹⁰ = 12208994587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12208995619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335840 + ... + 370413.

It is an arithmetic number, because the mean of its divisors is an integer number (1557290070).

Almost surely, 2^12208995611 is an apocalyptic number.

12208995611 is a deficient number, since it is larger than the sum of its proper divisors (249324949).

12208995611 is an equidigital number, since it uses as much as digits as its factorization.

12208995611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706605.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 12208995611 in words is "twelve billion, two hundred eight million, nine hundred ninety-five thousand, six hundred eleven".