12390430899 has 32 divisors (see below), whose sum is σ = 20720480256. Its totient is φ = 6398025120.

The previous prime is 12390430867. The next prime is 12390430939. The reversal of 12390430899 is 99803409321.

It is not a de Polignac number, because 12390430899 - 2⁵ = 12390430867 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12390430859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122017 + ... + 199170.

It is an arithmetic number, because the mean of its divisors is an integer number (647515008).

Almost surely, 2^12390430899 is an apocalyptic number.

12390430899 is a deficient number, since it is larger than the sum of its proper divisors (8330049357).

12390430899 is a wasteful number, since it uses less digits than its factorization.

12390430899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321375.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 12390430899 in words is "twelve billion, three hundred ninety million, four hundred thirty thousand, eight hundred ninety-nine".