12716033321 has 8 divisors (see below), whose sum is σ = 12958345224. Its totient is φ = 12473809920.

The previous prime is 12716033287. The next prime is 12716033327. The reversal of 12716033321 is 12333061721.

It can be written as a sum of positive squares in 4 ways, for example, as 5858371600 + 6857661721 = 76540^2 + 82811^2 .

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 12716033321 - 2³⁰ = 11642291497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12716033327) 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, 316931 + ... + 354791.

It is an arithmetic number, because the mean of its divisors is an integer number (1619793153).

Almost surely, 2^12716033321 is an apocalyptic number.

It is an amenable number.

12716033321 is a deficient number, since it is larger than the sum of its proper divisors (242311903).

12716033321 is an equidigital number, since it uses as much as digits as its factorization.

12716033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44251.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 12716033321 in words is "twelve billion, seven hundred sixteen million, thirty-three thousand, three hundred twenty-one".