212231332344 has 16 divisors (see below), whose sum is σ = 530578330920. Its totient is φ = 70743777440.

The previous prime is 212231332283. The next prime is 212231332351. The reversal of 212231332344 is 443233132212.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4421486067 + ... + 4421486114.

Almost surely, 2^212231332344 is an apocalyptic number.

212231332344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212231332344 is an abundant number, since it is smaller than the sum of its proper divisors (318346998576).

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

212231332344 is a wasteful number, since it uses less digits than its factorization.

212231332344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842972190 (or 8842972186 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 212231332344 its reverse (443233132212), we get a palindrome (655464464556).

The spelling of 212231332344 in words is "two hundred twelve billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred forty-four".