212194326 has 16 divisors (see below), whose sum is σ = 431582400. Its totient is φ = 69532488.

The previous prime is 212194313. The next prime is 212194369. The reversal of 212194326 is 623491212.

212194326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212194293 and 212194302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299356 + ... + 300063.

It is an arithmetic number, because the mean of its divisors is an integer number (26973900).

Almost surely, 2^212194326 is an apocalyptic number.

212194326 is an abundant number, since it is smaller than the sum of its proper divisors (219388074).

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

212194326 is a wasteful number, since it uses less digits than its factorization.

212194326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599483.

The product of its digits is 5184, while the sum is 30.

The square root of 212194326 is about 14566.8914322858. The cubic root of 212194326 is about 596.4553278487.

The spelling of 212194326 in words is "two hundred twelve million, one hundred ninety-four thousand, three hundred twenty-six".