12042215 has 8 divisors (see below), whose sum is σ = 14469840. Its totient is φ = 9620992.

The previous prime is 12042197. The next prime is 12042241. The reversal of 12042215 is 51224021.

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 12042215 - 2¹⁰ = 12041191 is a prime.

It is a super-3 number, since 3×12042215³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12042193 and 12042202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5096 + ... + 7074.

It is an arithmetic number, because the mean of its divisors is an integer number (1808730).

Almost surely, 2^12042215 is an apocalyptic number.

12042215 is a deficient number, since it is larger than the sum of its proper divisors (2427625).

12042215 is a wasteful number, since it uses less digits than its factorization.

12042215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12042215 is about 3470.1894760949. The cubic root of 12042215 is about 229.2110015968.

Adding to 12042215 its reverse (51224021), we get a palindrome (63266236).

The spelling of 12042215 in words is "twelve million, forty-two thousand, two hundred fifteen".