212003132321 has 8 divisors (see below), whose sum is σ = 216929435904. Its totient is φ = 207094145440.

The previous prime is 212003132317. The next prime is 212003132333. The reversal of 212003132321 is 123231300212.

212003132321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212003132321 - 2² = 212003132317 is a prime.

It is a super-2 number, since 2×212003132321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212003132293 and 212003132302.

It is not an unprimeable number, because it can be changed into a prime (212003132371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4304405 + ... + 4353378.

It is an arithmetic number, because the mean of its divisors is an integer number (27116179488).

Almost surely, 2^212003132321 is an apocalyptic number.

It is an amenable number.

212003132321 is a deficient number, since it is larger than the sum of its proper divisors (4926303583).

212003132321 is an equidigital number, since it uses as much as digits as its factorization.

212003132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658351.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212003132321 its reverse (123231300212), we get a palindrome (335234432533).

The spelling of 212003132321 in words is "two hundred twelve billion, three million, one hundred thirty-two thousand, three hundred twenty-one".