12808056019 has 8 divisors (see below), whose sum is σ = 13987097712. Its totient is φ = 11631459840.

The previous prime is 12808055993. The next prime is 12808056029. The reversal of 12808056019 is 91065080821.

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

It is not a de Polignac number, because 12808056019 - 2¹³ = 12808047827 is a prime.

It is a super-2 number, since 2×12808056019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12808056029) 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, 600414 + ... + 621379.

It is an arithmetic number, because the mean of its divisors is an integer number (1748387214).

Almost surely, 2^12808056019 is an apocalyptic number.

12808056019 is a deficient number, since it is larger than the sum of its proper divisors (1179041693).

12808056019 is a wasteful number, since it uses less digits than its factorization.

12808056019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222757.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 12808056019 in words is "twelve billion, eight hundred eight million, fifty-six thousand, nineteen".