3123313201220 has 24 divisors (see below), whose sum is σ = 6844129798464. Its totient is φ = 1195006789856.

The previous prime is 3123313201189. The next prime is 3123313201223. The reversal of 3123313201220 is 221023133213.

3123313201220 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 (23).

It is not an unprimeable number, because it can be changed into a prime (3123313201223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394905194 + ... + 3394906113.

It is an arithmetic number, because the mean of its divisors is an integer number (285172074936).

Almost surely, 2^{3123313201220} is an apocalyptic number.

It is an amenable number.

3123313201220 is an abundant number, since it is smaller than the sum of its proper divisors (3720816597244).

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

3123313201220 is a wasteful number, since it uses less digits than its factorization.

3123313201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789811339 (or 6789811337 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3123313201220 its reverse (221023133213), we get a palindrome (3344336334433).

The spelling of 3123313201220 in words is "three trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred one thousand, two hundred twenty".