12142164 has 24 divisors (see below), whose sum is σ = 28594720. Its totient is φ = 4009824.

The previous prime is 12142147. The next prime is 12142177. The reversal of 12142164 is 46124121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12142164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334 + ... + 5949.

Almost surely, 2^12142164 is an apocalyptic number.

It is an amenable number.

12142164 is an abundant number, since it is smaller than the sum of its proper divisors (16452556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12142164 is a wasteful number, since it uses less digits than its factorization.

12142164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399 (or 9397 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 12142164 is about 3484.5608044630. The cubic root of 12142164 is about 229.8433968614.

Adding to 12142164 its reverse (46124121), we get a palindrome (58266285).

The spelling of 12142164 in words is "twelve million, one hundred forty-two thousand, one hundred sixty-four".