12061219 has 8 divisors (see below), whose sum is σ = 12728000. Its totient is φ = 11397672.

The previous prime is 12061213. The next prime is 12061237. The reversal of 12061219 is 91216021.

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 12061219 - 2⁹ = 12060707 is a prime.

It is a super-2 number, since 2×12061219² = 290946007531922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12061219.

It is not an unprimeable number, because it can be changed into a prime (12061213) 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, 13612 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (1591000).

Almost surely, 2^12061219 is an apocalyptic number.

12061219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12061219 is a deficient number, since it is larger than the sum of its proper divisors (666781).

12061219 is an equidigital number, since it uses as much as digits as its factorization.

12061219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 12061219 is about 3472.9265756707. The cubic root of 12061219 is about 229.3315119984.

The spelling of 12061219 in words is "twelve million, sixty-one thousand, two hundred nineteen".