212134236 has 24 divisors (see below), whose sum is σ = 495715584. Its totient is φ = 70606320.

The previous prime is 212134229. The next prime is 212134243. The reversal of 212134236 is 632431212.

212134236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212134229) and next prime (212134243).

It is a nude number because it is divisible by every one of its digits.

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, 4500 + ... + 21083.

It is an arithmetic number, because the mean of its divisors is an integer number (20654816).

Almost surely, 2^212134236 is an apocalyptic number.

It is an amenable number.

212134236 is an abundant number, since it is smaller than the sum of its proper divisors (283581348).

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

212134236 is a wasteful number, since it uses less digits than its factorization.

212134236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26281 (or 26279 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 212134236 is about 14564.8287322577. The cubic root of 212134236 is about 596.3990203670.

Adding to 212134236 its reverse (632431212), we get a palindrome (844565448).

The spelling of 212134236 in words is "two hundred twelve million, one hundred thirty-four thousand, two hundred thirty-six".