12800099519 has 4 divisors (see below), whose sum is σ = 13097776296. Its totient is φ = 12502422744.

The previous prime is 12800099491. The next prime is 12800099537. The reversal of 12800099519 is 91599000821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91599000821 = 1699 ⋅53913479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12800099519 is a prime.

It is a super-2 number, since 2×12800099519² (a number of 21 digits) contains 22 as substring.

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 12800099519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12800099579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148838324 + ... + 148838409.

It is an arithmetic number, because the mean of its divisors is an integer number (3274444074).

Almost surely, 2^12800099519 is an apocalyptic number.

12800099519 is a deficient number, since it is larger than the sum of its proper divisors (297676777).

12800099519 is an equidigital number, since it uses as much as digits as its factorization.

12800099519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297676776.

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 12800099519 in words is "twelve billion, eight hundred million, ninety-nine thousand, five hundred nineteen".