212234144230231 has 4 divisors (see below), whose sum is σ = 212234338266352. Its totient is φ = 212233950194112.

The previous prime is 212234144230189. The next prime is 212234144230237. The reversal of 212234144230231 is 132032441432212.

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 212234144230231 - 2⁹ = 212234144229719 is a prime.

It is a super-2 number, since 2×212234144230231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234144230237) 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 3 ways as a sum of consecutive naturals, for example, 95368026 + ... + 97568071.

It is an arithmetic number, because the mean of its divisors is an integer number (53058584566588).

Almost surely, 2^{212234144230231} is an apocalyptic number.

212234144230231 is a deficient number, since it is larger than the sum of its proper divisors (194036121).

212234144230231 is a wasteful number, since it uses less digits than its factorization.

212234144230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194036120.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 212234144230231 its reverse (132032441432212), we get a palindrome (344266585662443).

The spelling of 212234144230231 in words is "two hundred twelve trillion, two hundred thirty-four billion, one hundred forty-four million, two hundred thirty thousand, two hundred thirty-one".