12040304319 has 16 divisors (see below), whose sum is σ = 18272550240. Its totient is φ = 7831091520.

The previous prime is 12040304317. The next prime is 12040304323. The reversal of 12040304319 is 91340304021.

12040304319 is a `hidden beast` number, since 1 + 2 + 0 + 40 + 304 + 319 = 666.

It is not a de Polignac number, because 12040304319 - 2¹ = 12040304317 is a prime.

It is a super-2 number, since 2×12040304319² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12040304292 and 12040304301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040304317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5437152 + ... + 5439365.

It is an arithmetic number, because the mean of its divisors is an integer number (1142034390).

Almost surely, 2^12040304319 is an apocalyptic number.

12040304319 is a deficient number, since it is larger than the sum of its proper divisors (6232245921).

12040304319 is a wasteful number, since it uses less digits than its factorization.

12040304319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876567 (or 10876561 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 12040304319 in words is "twelve billion, forty million, three hundred four thousand, three hundred nineteen".