3212221220330 has 32 divisors (see below), whose sum is σ = 5786395529040. Its totient is φ = 1283911603200.

The previous prime is 3212221220321. The next prime is 3212221220401. The reversal of 3212221220330 is 330221222123.

It can be written as a sum of positive squares in 8 ways, for example, as 2332135199689 + 880086020641 = 1527133^2 + 938129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3212221220296 and 3212221220305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108399956 + ... + 108429584.

Almost surely, 2^{3212221220330} is an apocalyptic number.

3212221220330 is a deficient number, since it is larger than the sum of its proper divisors (2574174308710).

3212221220330 is a wasteful number, since it uses less digits than its factorization.

3212221220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37514.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3212221220330 its reverse (330221222123), we get a palindrome (3542442442453).

The spelling of 3212221220330 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twenty thousand, three hundred thirty".