12791203573 has 8 divisors (see below), whose sum is σ = 12865577816. Its totient is φ = 12716870400.

The previous prime is 12791203559. The next prime is 12791203609. The reversal of 12791203573 is 37530219721.

It can be written as a sum of positive squares in 4 ways, for example, as 340660849 + 12450542724 = 18457^2 + 111582^2 .

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-12791203573 is a prime.

It is a super-2 number, since 2×12791203573² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791203543) 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, 795865 + ... + 811777.

It is an arithmetic number, because the mean of its divisors is an integer number (1608197227).

Almost surely, 2^12791203573 is an apocalyptic number.

It is an amenable number.

12791203573 is a deficient number, since it is larger than the sum of its proper divisors (74374243).

12791203573 is a wasteful number, since it uses less digits than its factorization.

12791203573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20535.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 12791203573 in words is "twelve billion, seven hundred ninety-one million, two hundred three thousand, five hundred seventy-three".