12810722243 has 8 divisors (see below), whose sum is σ = 13977639936. Its totient is φ = 11644189000.

The previous prime is 12810722231. The next prime is 12810722293. The reversal of 12810722243 is 34222701821.

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 12810722243 - 2⁴ = 12810722227 is a prime.

It is a super-2 number, since 2×12810722243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12810722213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24083 + ... + 161868.

It is an arithmetic number, because the mean of its divisors is an integer number (1747204992).

Almost surely, 2^12810722243 is an apocalyptic number.

12810722243 is a deficient number, since it is larger than the sum of its proper divisors (1166917693).

12810722243 is a wasteful number, since it uses less digits than its factorization.

12810722243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192225.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 12810722243 in words is "twelve billion, eight hundred ten million, seven hundred twenty-two thousand, two hundred forty-three".