12320321019 has 8 divisors (see below), whose sum is σ = 16471856640. Its totient is φ = 8191166376.

The previous prime is 12320321003. The next prime is 12320321021. The reversal of 12320321019 is 91012302321.

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

It is not a de Polignac number, because 12320321019 - 2⁴ = 12320321003 is a prime.

It is a super-2 number, since 2×12320321019² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12320321019.

It is not an unprimeable number, because it can be changed into a prime (12320321029) 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, 5593959 + ... + 5596160.

It is an arithmetic number, because the mean of its divisors is an integer number (2058982080).

Almost surely, 2^12320321019 is an apocalyptic number.

12320321019 is a deficient number, since it is larger than the sum of its proper divisors (4151535621).

12320321019 is a wasteful number, since it uses less digits than its factorization.

12320321019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190489.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 12320321019 in words is "twelve billion, three hundred twenty million, three hundred twenty-one thousand, nineteen".