12429096399 has 24 divisors (see below), whose sum is σ = 18589662000. Its totient is φ = 7992821760.

The previous prime is 12429096397. The next prime is 12429096401. The reversal of 12429096399 is 99369092421.

12429096399 is a `hidden beast` number, since 1 + 242 + 9 + 0 + 9 + 6 + 399 = 666.

It is an interprime number because it is at equal distance from previous prime (12429096397) and next prime (12429096401).

It is not a de Polignac number, because 12429096399 - 2¹ = 12429096397 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12429096391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262927 + ... + 306575.

It is an arithmetic number, because the mean of its divisors is an integer number (774569250).

Almost surely, 2^12429096399 is an apocalyptic number.

12429096399 is a deficient number, since it is larger than the sum of its proper divisors (6160565601).

12429096399 is a wasteful number, since it uses less digits than its factorization.

12429096399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44775 (or 44772 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 12429096399 in words is "twelve billion, four hundred twenty-nine million, ninety-six thousand, three hundred ninety-nine".