3212221002020 has 12 divisors (see below), whose sum is σ = 6745664104284. Its totient is φ = 1284888400800.

The previous prime is 3212221002007. The next prime is 3212221002049. The reversal of 3212221002020 is 202001222123.

It can be written as a sum of positive squares in 2 ways, for example, as 1078494712036 + 2133726289984 = 1038506^2 + 1460728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3212221002020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80305525031 + ... + 80305525070.

It is an arithmetic number, because the mean of its divisors is an integer number (562138675357).

Almost surely, 2^{3212221002020} is an apocalyptic number.

It is an amenable number.

3212221002020 is an abundant number, since it is smaller than the sum of its proper divisors (3533443102264).

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

3212221002020 is a wasteful number, since it uses less digits than its factorization.

3212221002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160611050110 (or 160611050108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 3212221002020 its reverse (202001222123), we get a palindrome (3414222224143).

The spelling of 3212221002020 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, twenty".