12281013271 has 4 divisors (see below), whose sum is σ = 12281386000. Its totient is φ = 12280640544.

The previous prime is 12281013263. The next prime is 12281013287. The reversal of 12281013271 is 17231018221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12281013271 - 2³ = 12281013263 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 (12281013221) 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, 131571 + ... + 204628.

It is an arithmetic number, because the mean of its divisors is an integer number (3070346500).

Almost surely, 2^12281013271 is an apocalyptic number.

12281013271 is a deficient number, since it is larger than the sum of its proper divisors (372729).

12281013271 is an equidigital number, since it uses as much as digits as its factorization.

12281013271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372728.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 12281013271 in words is "twelve billion, two hundred eighty-one million, thirteen thousand, two hundred seventy-one".