312221003332 has 48 divisors (see below), whose sum is σ = 628213686912. Its totient is φ = 133001187840.

The previous prime is 312221003323. The next prime is 312221003351. The reversal of 312221003332 is 233300122213.

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 in 15 ways as a sum of consecutive naturals, for example, 29693308 + ... + 29703820.

It is an arithmetic number, because the mean of its divisors is an integer number (13087785144).

Almost surely, 2^312221003332 is an apocalyptic number.

It is an amenable number.

312221003332 is an abundant number, since it is smaller than the sum of its proper divisors (315992683580).

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

312221003332 is a wasteful number, since it uses less digits than its factorization.

312221003332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828 (or 16826 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312221003332 its reverse (233300122213), we get a palindrome (545521125545).

The spelling of 312221003332 in words is "three hundred twelve billion, two hundred twenty-one million, three thousand, three hundred thirty-two".