12271934321 has 8 divisors (see below), whose sum is σ = 12727751400. Its totient is φ = 11818293760.

The previous prime is 12271934291. The next prime is 12271934341. The reversal of 12271934321 is 12343917221.

It can be written as a sum of positive squares in 4 ways, for example, as 3716609296 + 8555325025 = 60964^2 + 92495^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12271934321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12271934341) 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, 532640 + ... + 555201.

It is an arithmetic number, because the mean of its divisors is an integer number (1590968925).

Almost surely, 2^12271934321 is an apocalyptic number.

It is an amenable number.

12271934321 is a deficient number, since it is larger than the sum of its proper divisors (455817079).

12271934321 is a wasteful number, since it uses less digits than its factorization.

12271934321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088259.

The product of its digits is 18144, while the sum is 35.

The spelling of 12271934321 in words is "twelve billion, two hundred seventy-one million, nine hundred thirty-four thousand, three hundred twenty-one".