18410212 has 24 divisors (see below), whose sum is σ = 33981696. Its totient is φ = 8709888.

The previous prime is 18410207. The next prime is 18410213. The reversal of 18410212 is 21201481.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18410212.

It is not an unprimeable number, because it can be changed into a prime (18410213) 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, 7893 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (1415904).

Almost surely, 2^18410212 is an apocalyptic number.

It is an amenable number.

18410212 is a deficient number, since it is larger than the sum of its proper divisors (15571484).

18410212 is a wasteful number, since it uses less digits than its factorization.

18410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 18410212 is about 4290.7122951790. The cubic root of 18410212 is about 264.0500555530.

Adding to 18410212 its reverse (21201481), we get a palindrome (39611693).

The spelling of 18410212 in words is "eighteen million, four hundred ten thousand, two hundred twelve".