12299999999 has 16 divisors (see below), whose sum is σ = 15307238400. Its totient is φ = 9643554144.

The previous prime is 12299999951. The next prime is 12300000001. The reversal of 12299999999 is 99999999221.

It is a de Polignac number, because none of the positive numbers 2^k-12299999999 is a prime.

It is a Duffinian number.

12299999999 is a modest number, since divided by 999999 gives 12299 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12299999909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590647 + ... + 1598360.

It is an arithmetic number, because the mean of its divisors is an integer number (956702400).

Almost surely, 2^12299999999 is an apocalyptic number.

12299999999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12299999999 is a deficient number, since it is larger than the sum of its proper divisors (3007238401).

12299999999 is a wasteful number, since it uses less digits than its factorization.

12299999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189062.

The product of its digits is 172186884, while the sum is 77.

The spelling of 12299999999 in words is "twelve billion, two hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".