12029218 has 8 divisors (see below), whose sum is σ = 18531612. Its totient is φ = 5852016.

The previous prime is 12029191. The next prime is 12029219. The reversal of 12029218 is 81292021.

12029218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10582009 + 1447209 = 3253^2 + 1203^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12029192 and 12029201.

It is not an unprimeable number, because it can be changed into a prime (12029219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81205 + ... + 81352.

Almost surely, 2^12029218 is an apocalyptic number.

12029218 is a deficient number, since it is larger than the sum of its proper divisors (6502394).

12029218 is a wasteful number, since it uses less digits than its factorization.

12029218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162596.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12029218 is about 3468.3163062212. The cubic root of 12029218 is about 229.1285104665.

The spelling of 12029218 in words is "twelve million, twenty-nine thousand, two hundred eighteen".