12210146 has 16 divisors (see below), whose sum is σ = 19813248. Its totient is φ = 5610000.

The previous prime is 12210137. The next prime is 12210173. The reversal of 12210146 is 64101221.

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, 5591 + ... + 7461.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^12210146 is an apocalyptic number.

12210146 is a deficient number, since it is larger than the sum of its proper divisors (7603102).

12210146 is a wasteful number, since it uses less digits than its factorization.

12210146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12210146 is about 3494.3019331477. The cubic root of 12210146 is about 230.2715507216.

Adding to 12210146 its reverse (64101221), we get a palindrome (76311367).

The spelling of 12210146 in words is "twelve million, two hundred ten thousand, one hundred forty-six".