352227221212 has 12 divisors (see below), whose sum is σ = 629512480800. Its totient is φ = 172366512416.

The previous prime is 352227221123. The next prime is 352227221233. The reversal of 352227221212 is 212122722253.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 936774337 + ... + 936774712.

It is an arithmetic number, because the mean of its divisors is an integer number (52459373400).

Almost surely, 2^352227221212 is an apocalyptic number.

It is an amenable number.

352227221212 is a deficient number, since it is larger than the sum of its proper divisors (277285259588).

352227221212 is a wasteful number, since it uses less digits than its factorization.

352227221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873549100 (or 1873549098 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

Adding to 352227221212 its reverse (212122722253), we get a palindrome (564349943465).

The spelling of 352227221212 in words is "three hundred fifty-two billion, two hundred twenty-seven million, two hundred twenty-one thousand, two hundred twelve".