212320303232 has 16 divisors (see below), whose sum is σ = 422981854350. Its totient is φ = 106160151552.

The previous prime is 212320303229. The next prime is 212320303277. The reversal of 212320303232 is 232303023212.

It can be written as a sum of positive squares in only one way, i.e., 207811986496 + 4508316736 = 455864^2 + 67144^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×212320303232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212320303198 and 212320303207.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 829376057 + ... + 829376312.

Almost surely, 2^212320303232 is an apocalyptic number.

It is an amenable number.

212320303232 is a deficient number, since it is larger than the sum of its proper divisors (210661551118).

212320303232 is an equidigital number, since it uses as much as digits as its factorization.

212320303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658752383 (or 1658752371 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 212320303232 its reverse (232303023212), we get a palindrome (444623326444).

The spelling of 212320303232 in words is "two hundred twelve billion, three hundred twenty million, three hundred three thousand, two hundred thirty-two".