212046 has 16 divisors (see below), whose sum is σ = 432000. Its totient is φ = 69368.

The previous prime is 212039. The next prime is 212057. The reversal of 212046 is 640212.

It is a super-2 number, since 2×212046² = 89927012232, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

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, 55 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2²¹²⁰⁴⁶ is an apocalyptic number.

212046 is an abundant number, since it is smaller than the sum of its proper divisors (219954).

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

212046 is a wasteful number, since it uses less digits than its factorization.

212046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212046 is about 460.4845274274. The cubic root of 212046 is about 59.6316319333.

Adding to 212046 its reverse (640212), we get a palindrome (852258).

The spelling of 212046 in words is "two hundred twelve thousand, forty-six".