3122213123220 has 48 divisors (see below), whose sum is σ = 8828753165568. Its totient is φ = 824346697600.

The previous prime is 3122213123209. The next prime is 3122213123221. The reversal of 3122213123220 is 223213122213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122213123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257602284 + ... + 257614403.

It is an arithmetic number, because the mean of its divisors is an integer number (183932357616).

Almost surely, 2^{3122213123220} is an apocalyptic number.

3122213123220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3122213123220 is an abundant number, since it is smaller than the sum of its proper divisors (5706540042348).

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

3122213123220 is a wasteful number, since it uses less digits than its factorization.

3122213123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515216800 (or 515216798 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 3122213123220 its reverse (223213122213), we get a palindrome (3345426245433).

The spelling of 3122213123220 in words is "three trillion, one hundred twenty-two billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred twenty".