3212011220220 has 576 divisors, whose sum is σ = 11235040008192. Its totient is φ = 735740928000.

The previous prime is 3212011220213. The next prime is 3212011220251. The reversal of 3212011220220 is 220221102123.

3212011220220 is a `hidden beast` number, since 3 + 21 + 201 + 1 + 220 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3212011220193 and 3212011220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 451058260 + ... + 451065380.

It is an arithmetic number, because the mean of its divisors is an integer number (19505277792).

Almost surely, 2^{3212011220220} is an apocalyptic number.

3212011220220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212011220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5617520004096).

3212011220220 is an abundant number, since it is smaller than the sum of its proper divisors (8023028787972).

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

3212011220220 is a wasteful number, since it uses less digits than its factorization.

3212011220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362 (or 7357 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3212011220220 its reverse (220221102123), we get a palindrome (3432232322343).

The spelling of 3212011220220 in words is "three trillion, two hundred twelve billion, eleven million, two hundred twenty thousand, two hundred twenty".