212330134 has 4 divisors (see below), whose sum is σ = 318495204. Its totient is φ = 106165066.

The previous prime is 212330113. The next prime is 212330143. The reversal of 212330134 is 431033212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53082532 + ... + 53082535.

It is an arithmetic number, because the mean of its divisors is an integer number (79623801).

Almost surely, 2^212330134 is an apocalyptic number.

212330134 is a deficient number, since it is larger than the sum of its proper divisors (106165070).

212330134 is a wasteful number, since it uses less digits than its factorization.

212330134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106165069.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 212330134 is about 14571.5522165622. The cubic root of 212330134 is about 596.5825479172.

Adding to 212330134 its reverse (431033212), we get a palindrome (643363346).

The spelling of 212330134 in words is "two hundred twelve million, three hundred thirty thousand, one hundred thirty-four".