12591316033 has 16 divisors (see below), whose sum is σ = 13379433984. Its totient is φ = 11808564480.

The previous prime is 12591315977. The next prime is 12591316069. The reversal of 12591316033 is 33061319521.

It is a happy number.

It is not a de Polignac number, because 12591316033 - 2²⁹ = 12054445121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12591316033.

It is not an unprimeable number, because it can be changed into a prime (12591317033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8223478 + ... + 8225008.

It is an arithmetic number, because the mean of its divisors is an integer number (836214624).

Almost surely, 2^12591316033 is an apocalyptic number.

It is an amenable number.

12591316033 is a deficient number, since it is larger than the sum of its proper divisors (788117951).

12591316033 is a wasteful number, since it uses less digits than its factorization.

12591316033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its (nonzero) digits is 14580, while the sum is 34.

The spelling of 12591316033 in words is "twelve billion, five hundred ninety-one million, three hundred sixteen thousand, thirty-three".