212311203234 has 16 divisors (see below), whose sum is σ = 457285668672. Its totient is φ = 65326524048.

The previous prime is 212311203233. The next prime is 212311203241. The reversal of 212311203234 is 432302113212.

It is not an unprimeable number, because it can be changed into a prime (212311203233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360969174 + ... + 1360969329.

It is an arithmetic number, because the mean of its divisors is an integer number (28580354292).

Almost surely, 2^212311203234 is an apocalyptic number.

212311203234 is an abundant number, since it is smaller than the sum of its proper divisors (244974465438).

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

212311203234 is a wasteful number, since it uses less digits than its factorization.

212311203234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721938521.

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

Adding to 212311203234 its reverse (432302113212), we get a palindrome (644613316446).

The spelling of 212311203234 in words is "two hundred twelve billion, three hundred eleven million, two hundred three thousand, two hundred thirty-four".