12000215 has 8 divisors (see below), whose sum is σ = 15247440. Its totient is φ = 9035392.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000215 is 51200021.

12000215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12000215 - 2¹² = 11996119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000196 and 12000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70505 + ... + 70674.

It is an arithmetic number, because the mean of its divisors is an integer number (1905930).

Almost surely, 2^12000215 is an apocalyptic number.

12000215 is a deficient number, since it is larger than the sum of its proper divisors (3247225).

12000215 is a wasteful number, since it uses less digits than its factorization.

12000215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141201.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 12000215 is about 3464.1326475757. The cubic root of 12000215 is about 228.9442158001.

Adding to 12000215 its reverse (51200021), we get a palindrome (63200236).

The spelling of 12000215 in words is "twelve million, two hundred fifteen", and thus it is an aban number.