12012319 has 8 divisors (see below), whose sum is σ = 13875408. Its totient is φ = 10277760.

The previous prime is 12012289. The next prime is 12012331. The reversal of 12012319 is 91321021.

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

It is a cyclic number.

It is not a de Polignac number, because 12012319 - 2⁹ = 12011807 is a prime.

It is a super-2 number, since 2×12012319² = 288591615515522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012296 and 12012305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012349) 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, 31932 + ... + 32305.

It is an arithmetic number, because the mean of its divisors is an integer number (1734426).

Almost surely, 2^12012319 is an apocalyptic number.

12012319 is a deficient number, since it is larger than the sum of its proper divisors (1863089).

12012319 is a wasteful number, since it uses less digits than its factorization.

12012319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64265.

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

The square root of 12012319 is about 3465.8792535228. The cubic root of 12012319 is about 229.0211646883.

The spelling of 12012319 in words is "twelve million, twelve thousand, three hundred nineteen".