12599734499 has 8 divisors (see below), whose sum is σ = 14468594880. Its totient is φ = 10851445800.

The previous prime is 12599734463. The next prime is 12599734529. The reversal of 12599734499 is 99443799521.

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-12599734499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12599334499) 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, 30142697 + ... + 30143114.

It is an arithmetic number, because the mean of its divisors is an integer number (1808574360).

Almost surely, 2^12599734499 is an apocalyptic number.

12599734499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12599734499 is a deficient number, since it is larger than the sum of its proper divisors (1868860381).

12599734499 is a wasteful number, since it uses less digits than its factorization.

12599734499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60285841.

The product of its digits is 22044960, while the sum is 62.

The spelling of 12599734499 in words is "twelve billion, five hundred ninety-nine million, seven hundred thirty-four thousand, four hundred ninety-nine".