12592321819 has 32 divisors (see below), whose sum is σ = 16414295040. Its totient is φ = 9384883200.

The previous prime is 12592321793. The next prime is 12592321829. The reversal of 12592321819 is 91812329521.

It is not a de Polignac number, because 12592321819 - 2⁷ = 12592321691 is a prime.

It is a super-2 number, since 2×12592321819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12592321829) 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, 930139 + ... + 943579.

It is an arithmetic number, because the mean of its divisors is an integer number (512946720).

Almost surely, 2^12592321819 is an apocalyptic number.

12592321819 is a deficient number, since it is larger than the sum of its proper divisors (3821973221).

12592321819 is an equidigital number, since it uses as much as digits as its factorization.

12592321819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13528 (or 13482 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The spelling of 12592321819 in words is "twelve billion, five hundred ninety-two million, three hundred twenty-one thousand, eight hundred nineteen".