12208841087 has 4 divisors (see below), whose sum is σ = 12255262800. Its totient is φ = 12162419376.

The previous prime is 12208841053. The next prime is 12208841101. The reversal of 12208841087 is 78014880221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78014880221 = 74017 ⋅1054013.

It is a cyclic number.

It is not a de Polignac number, because 12208841087 - 2²⁰ = 12207792511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208841017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23210462 + ... + 23210987.

It is an arithmetic number, because the mean of its divisors is an integer number (3063815700).

Almost surely, 2^12208841087 is an apocalyptic number.

12208841087 is a deficient number, since it is larger than the sum of its proper divisors (46421713).

12208841087 is an equidigital number, since it uses as much as digits as its factorization.

12208841087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46421712.

The product of its (nonzero) digits is 57344, while the sum is 41.

The spelling of 12208841087 in words is "twelve billion, two hundred eight million, eight hundred forty-one thousand, eighty-seven".