212311234234 has 16 divisors (see below), whose sum is σ = 365703562080. Its totient is φ = 91425890160.

The previous prime is 212311234231. The next prime is 212311234297. The reversal of 212311234234 is 432432113212.

It is not an unprimeable number, because it can be changed into a prime (212311234231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253960389 + ... + 253961224.

It is an arithmetic number, because the mean of its divisors is an integer number (22856472630).

Almost surely, 2^212311234234 is an apocalyptic number.

212311234234 is a deficient number, since it is larger than the sum of its proper divisors (153392327846).

212311234234 is a wasteful number, since it uses less digits than its factorization.

212311234234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507921645.

The product of its digits is 6912, while the sum is 28.

Adding to 212311234234 its reverse (432432113212), we get a palindrome (644743347446).

The spelling of 212311234234 in words is "two hundred twelve billion, three hundred eleven million, two hundred thirty-four thousand, two hundred thirty-four".