193212 has 24 divisors (see below), whose sum is σ = 501200. Its totient is φ = 64368.

The previous prime is 193201. The next prime is 193243. The reversal of 193212 is 212391.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

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, 787 + ... + 1002.

2¹⁹³²¹² is an apocalyptic number.

193212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193212 is an abundant number, since it is smaller than the sum of its proper divisors (307988).

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

193212 is a wasteful number, since it uses less digits than its factorization.

193212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1794 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 193212 is about 439.5588697774. The cubic root of 193212 is about 57.8111176197.

The spelling of 193212 in words is "one hundred ninety-three thousand, two hundred twelve".