3221212212330 has 64 divisors (see below), whose sum is σ = 8835664819968. Its totient is φ = 736248752640.

The previous prime is 3221212212329. The next prime is 3221212212367. The reversal of 3221212212330 is 332122121223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221212212330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5441710 + ... + 6004550.

It is an arithmetic number, because the mean of its divisors is an integer number (138057262812).

Almost surely, 2^{3221212212330} is an apocalyptic number.

3221212212330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221212212330 is an abundant number, since it is smaller than the sum of its proper divisors (5614452607638).

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

3221212212330 is a wasteful number, since it uses less digits than its factorization.

3221212212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590111.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 3221212212330 its reverse (332122121223), we get a palindrome (3553334333553).

The spelling of 3221212212330 in words is "three trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, three hundred thirty".