212212232232 has 512 divisors, whose sum is σ = 736172236800. Its totient is φ = 49194086400.

The previous prime is 212212232201. The next prime is 212212232237. The reversal of 212212232232 is 232232212212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (212212232237) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 160888069 + ... + 160889387.

It is an arithmetic number, because the mean of its divisors is an integer number (1437836400).

Almost surely, 2^212212232232 is an apocalyptic number.

212212232232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212212232232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368086118400).

212212232232 is an abundant number, since it is smaller than the sum of its proper divisors (523960004568).

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

212212232232 is a wasteful number, since it uses less digits than its factorization.

212212232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1573 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 212212232232 its reverse (232232212212), we get a palindrome (444444444444).

It can be divided in two parts, 212212 and 232232, that added together give a palindrome (444444).

The spelling of 212212232232 in words is "two hundred twelve billion, two hundred twelve million, two hundred thirty-two thousand, two hundred thirty-two".