232001211222 has 144 divisors (see below), whose sum is σ = 569339892576. Its totient is φ = 68175993600.

The previous prime is 232001211217. The next prime is 232001211227. The reversal of 232001211222 is 222112100232.

232001211222 is a `hidden beast` number, since 2 + 320 + 0 + 121 + 1 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (232001211217) and next prime (232001211227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 232001211195 and 232001211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232001211227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25057618 + ... + 25066874.

It is an arithmetic number, because the mean of its divisors is an integer number (3953749254).

Almost surely, 2^232001211222 is an apocalyptic number.

232001211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 232001211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284669946288).

232001211222 is an abundant number, since it is smaller than the sum of its proper divisors (337338681354).

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

232001211222 is a wasteful number, since it uses less digits than its factorization.

232001211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635 (or 9621 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 232001211222 its reverse (222112100232), we get a palindrome (454113311454).

The spelling of 232001211222 in words is "two hundred thirty-two billion, one million, two hundred eleven thousand, two hundred twenty-two".