212134339 has 4 divisors (see below), whose sum is σ = 212165856. Its totient is φ = 212102824.

The previous prime is 212134327. The next prime is 212134361. The reversal of 212134339 is 933431212.

212134339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212134339 - 2²¹ = 210037187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212134309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144 + ... + 20629.

It is an arithmetic number, because the mean of its divisors is an integer number (53041464).

Almost surely, 2^212134339 is an apocalyptic number.

212134339 is a deficient number, since it is larger than the sum of its proper divisors (31517).

212134339 is an equidigital number, since it uses as much as digits as its factorization.

212134339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31516.

The product of its digits is 3888, while the sum is 28.

The square root of 212134339 is about 14564.8322681725. The cubic root of 212134339 is about 596.3991168925.

It can be divided in two parts, 21213 and 4339, that added together give a palindrome (25552).

The spelling of 212134339 in words is "two hundred twelve million, one hundred thirty-four thousand, three hundred thirty-nine".