3213320011220 has 48 divisors (see below), whose sum is σ = 7362175665600. Its totient is φ = 1168360696320.

The previous prime is 3213320011159. The next prime is 3213320011357. The reversal of 3213320011220 is 221100233123.

3213320011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3213320011192 and 3213320011201.

It is a congruent number.

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, 1428236 + ... + 2909724.

It is an arithmetic number, because the mean of its divisors is an integer number (153378659700).

Almost surely, 2^{3213320011220} is an apocalyptic number.

It is an amenable number.

3213320011220 is an abundant number, since it is smaller than the sum of its proper divisors (4148855654380).

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

3213320011220 is a wasteful number, since it uses less digits than its factorization.

3213320011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491368 (or 1491366 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3213320011220 its reverse (221100233123), we get a palindrome (3434420244343).

The spelling of 3213320011220 in words is "three trillion, two hundred thirteen billion, three hundred twenty million, eleven thousand, two hundred twenty".