212314134 has 32 divisors (see below), whose sum is σ = 443773440. Its totient is φ = 67650912.

The previous prime is 212314117. The next prime is 212314147. The reversal of 212314134 is 431413212.

It is a self number, because there is not a number n which added to its sum of digits gives 212314134.

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 15 ways as a sum of consecutive naturals, for example, 3372 + ... + 20880.

It is an arithmetic number, because the mean of its divisors is an integer number (13867920).

Almost surely, 2^212314134 is an apocalyptic number.

212314134 is an abundant number, since it is smaller than the sum of its proper divisors (231459306).

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

212314134 is a wasteful number, since it uses less digits than its factorization.

212314134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17604.

The product of its digits is 576, while the sum is 21.

The square root of 212314134 is about 14571.0031912700. The cubic root of 212314134 is about 596.5675625101.

Adding to 212314134 its reverse (431413212), we get a palindrome (643727346).

The spelling of 212314134 in words is "two hundred twelve million, three hundred fourteen thousand, one hundred thirty-four".