12722699889599 has 8 divisors (see below), whose sum is σ = 14540855283840. Its totient is φ = 10904701205016.

The previous prime is 12722699889577. The next prime is 12722699889611. The reversal of 12722699889599 is 99598899622721.

It is a happy number.

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 12722699889599 - 2¹² = 12722699885503 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 12722699889599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722699889199) 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, 39003389 + ... + 39328230.

It is an arithmetic number, because the mean of its divisors is an integer number (1817606910480).

Almost surely, 2^{12722699889599} is an apocalyptic number.

12722699889599 is a deficient number, since it is larger than the sum of its proper divisors (1818155394241).

12722699889599 is an equidigital number, since it uses as much as digits as its factorization.

12722699889599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78354829.

The product of its digits is 6348948480, while the sum is 86.

The spelling of 12722699889599 in words is "twelve trillion, seven hundred twenty-two billion, six hundred ninety-nine million, eight hundred eighty-nine thousand, five hundred ninety-nine".