212331123230 has 32 divisors (see below), whose sum is σ = 396950531040. Its totient is φ = 81677008000.

The previous prime is 212331123133. The next prime is 212331123233. The reversal of 212331123230 is 32321133212.

It is a super-2 number, since 2×212331123230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212331123196 and 212331123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212331123233) 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 15 ways as a sum of consecutive naturals, for example, 1385729 + ... + 1531308.

It is an arithmetic number, because the mean of its divisors is an integer number (12404704095).

Almost surely, 2^212331123230 is an apocalyptic number.

212331123230 is a deficient number, since it is larger than the sum of its proper divisors (184619407810).

212331123230 is a wasteful number, since it uses less digits than its factorization.

212331123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917324.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212331123230 its reverse (32321133212), we get a palindrome (244652256442).

The spelling of 212331123230 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty".