12428799009 has 8 divisors (see below), whose sum is σ = 18078253152. Its totient is φ = 7532605440.

The previous prime is 12428799001. The next prime is 12428799013. The reversal of 12428799009 is 90099782421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12428799009 - 2³ = 12428799001 is a prime.

It is a super-2 number, since 2×12428799009² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12428799001) 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, 188315104 + ... + 188315169.

It is an arithmetic number, because the mean of its divisors is an integer number (2259781644).

Almost surely, 2^12428799009 is an apocalyptic number.

It is an amenable number.

12428799009 is a deficient number, since it is larger than the sum of its proper divisors (5649454143).

12428799009 is a wasteful number, since it uses less digits than its factorization.

12428799009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376630287.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 12428799009 in words is "twelve billion, four hundred twenty-eight million, seven hundred ninety-nine thousand, nine".