3201223021320 has 64 divisors (see below), whose sum is σ = 9604659280320. Its totient is φ = 853571453184.

The previous prime is 3201223021319. The next prime is 3201223021351. The reversal of 3201223021320 is 231203221023.

It is a happy number.

It is a super-3 number, since 3×3201223021320³ (a number of 38 digits) contains 333 as substring.

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, 202474 + ... + 2538393.

It is an arithmetic number, because the mean of its divisors is an integer number (150072801255).

Almost surely, 2^{3201223021320} is an apocalyptic number.

3201223021320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201223021320 is an abundant number, since it is smaller than the sum of its proper divisors (6403436259000).

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

3201223021320 is a wasteful number, since it uses less digits than its factorization.

3201223021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750614 (or 2750610 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 3201223021320 its reverse (231203221023), we get a palindrome (3432426242343).

The spelling of 3201223021320 in words is "three trillion, two hundred one billion, two hundred twenty-three million, twenty-one thousand, three hundred twenty".