12001020319 has 2 divisors, whose sum is σ = 12001020320. Its totient is φ = 12001020318.

The previous prime is 12001020313. The next prime is 12001020349. The reversal of 12001020319 is 91302010021.

12001020319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (91302010021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001020319 - 2⁷ = 12001020191 is a prime.

It is a super-2 number, since 2×12001020319² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001020296 and 12001020305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001020313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000510159 + 6000510160.

It is an arithmetic number, because the mean of its divisors is an integer number (6000510160).

Almost surely, 2^12001020319 is an apocalyptic number.

12001020319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001020319 is an equidigital number, since it uses as much as digits as its factorization.

12001020319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 12001020319 in words is "twelve billion, one million, twenty thousand, three hundred nineteen".