185212 has 12 divisors (see below), whose sum is σ = 341320. Its totient is φ = 87696.

The previous prime is 185189. The next prime is 185221. The reversal of 185212 is 212581.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 185212.

It is a congruent number.

It is an unprimeable number.

185212 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 1143 + ... + 1294.

2¹⁸⁵²¹² is an apocalyptic number.

It is an amenable number.

185212 is a deficient number, since it is larger than the sum of its proper divisors (156108).

185212 is a wasteful number, since it uses less digits than its factorization.

185212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2458 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 185212 is about 430.3626377835. The cubic root of 185212 is about 57.0019492511.

Subtracting from 185212 its sum of digits (19), we obtain a cube (185193 = 57³).

Adding to 185212 its reverse (212581), we get a palindrome (397793).

The spelling of 185212 in words is "one hundred eighty-five thousand, two hundred twelve".