232221300130000 has 100 divisors (see below), whose sum is σ = 562250039322708. Its totient is φ = 92885372800000.

The previous prime is 232221300129997. The next prime is 232221300130021. The reversal of 232221300130000 is 31003122232.

It can be written as a sum of positive squares in 10 ways, for example, as 139967733993616 + 92253566136384 = 11830796^2 + 9604872^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 232221300130000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306751950 + ... + 307508050.

Almost surely, 2^{232221300130000} is an apocalyptic number.

232221300130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232221300130000 is an abundant number, since it is smaller than the sum of its proper divisors (330028739192708).

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

232221300130000 is an equidigital number, since it uses as much as digits as its factorization.

232221300130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786842 (or 786821 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 232221300130000 its reverse (31003122232), we get a palindrome (232252303252232).

The spelling of 232221300130000 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, three hundred million, one hundred thirty thousand".