213443231233122 has 40 divisors (see below), whose sum is σ = 521750120796432. Its totient is φ = 64679767039800.

The previous prime is 213443231233091. The next prime is 213443231233159. The reversal of 213443231233122 is 221332132344312.

It is a happy number.

213443231233122 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 4 + 3 + 2 + 312 + 331 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59888671404 + ... + 59888674967.

Almost surely, 2^{213443231233122} is an apocalyptic number.

213443231233122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213443231233122 is an abundant number, since it is smaller than the sum of its proper divisors (308306889563310).

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

213443231233122 is a wasteful number, since it uses less digits than its factorization.

213443231233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119777346396 (or 119777346387 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 213443231233122 its reverse (221332132344312), we get a palindrome (434775363577434).

The spelling of 213443231233122 in words is "two hundred thirteen trillion, four hundred forty-three billion, two hundred thirty-one million, two hundred thirty-three thousand, one hundred twenty-two".