12281111087 has 8 divisors (see below), whose sum is σ = 14159764896. Its totient is φ = 10433509632.

The previous prime is 12281111071. The next prime is 12281111123. The reversal of 12281111087 is 78011118221.

It is a happy number.

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

It is not a de Polignac number, because 12281111087 - 2⁴ = 12281111071 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 (12281111387) 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, 7762238 + ... + 7763819.

It is an arithmetic number, because the mean of its divisors is an integer number (1769970612).

Almost surely, 2^12281111087 is an apocalyptic number.

12281111087 is a deficient number, since it is larger than the sum of its proper divisors (1878653809).

12281111087 is a wasteful number, since it uses less digits than its factorization.

12281111087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15526177.

The product of its (nonzero) digits is 1792, while the sum is 32.

The spelling of 12281111087 in words is "twelve billion, two hundred eighty-one million, one hundred eleven thousand, eighty-seven".