3212221020415 has 16 divisors (see below), whose sum is σ = 4205124596736. Its totient is φ = 2336141152800.

The previous prime is 3212221020401. The next prime is 3212221020443. The reversal of 3212221020415 is 5140201222123.

It is a de Polignac number, because none of the positive numbers 2^k-3212221020415 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3212221020415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11156110 + ... + 11440420.

It is an arithmetic number, because the mean of its divisors is an integer number (262820287296).

Almost surely, 2^{3212221020415} is an apocalyptic number.

3212221020415 is a deficient number, since it is larger than the sum of its proper divisors (992903576321).

3212221020415 is a wasteful number, since it uses less digits than its factorization.

3212221020415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489750.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 3212221020415 its reverse (5140201222123), we get a palindrome (8352422242538).

The spelling of 3212221020415 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, twenty thousand, four hundred fifteen".