232211222012 has 96 divisors (see below), whose sum is σ = 516741947904. Its totient is φ = 88683724800.

The previous prime is 232211221873. The next prime is 232211222017. The reversal of 232211222012 is 210222112232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232211222017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3633212 + ... + 3696572.

It is an arithmetic number, because the mean of its divisors is an integer number (5382728624).

Almost surely, 2^232211222012 is an apocalyptic number.

232211222012 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 232211222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258370973952).

232211222012 is an abundant number, since it is smaller than the sum of its proper divisors (284530725892).

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

232211222012 is a wasteful number, since it uses less digits than its factorization.

232211222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63619 (or 63617 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 232211222012 its reverse (210222112232), we get a palindrome (442433334244).

It can be divided in two parts, 2322112220 and 12, that added together give a palindrome (2322112232).

The spelling of 232211222012 in words is "two hundred thirty-two billion, two hundred eleven million, two hundred twenty-two thousand, twelve".