312020203332 has 12 divisors (see below), whose sum is σ = 728047141136. Its totient is φ = 104006734440.

The previous prime is 312020203289. The next prime is 312020203349. The reversal of 312020203332 is 233302020213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 312020203299 and 312020203308.

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 3 ways as a sum of consecutive naturals, for example, 13000841794 + ... + 13000841817.

Almost surely, 2^312020203332 is an apocalyptic number.

It is an amenable number.

312020203332 is an abundant number, since it is smaller than the sum of its proper divisors (416026937804).

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

312020203332 is a wasteful number, since it uses less digits than its factorization.

312020203332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26001683618 (or 26001683616 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 312020203332 its reverse (233302020213), we get a palindrome (545322223545).

The spelling of 312020203332 in words is "three hundred twelve billion, twenty million, two hundred three thousand, three hundred thirty-two".