3122012231220 has 192 divisors, whose sum is σ = 9109907896320. Its totient is φ = 797909371392.

The previous prime is 3122012231203. The next prime is 3122012231243. The reversal of 3122012231220 is 221322102213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129494407 + ... + 129518513.

It is an arithmetic number, because the mean of its divisors is an integer number (47447436960).

Almost surely, 2^{3122012231220} is an apocalyptic number.

3122012231220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122012231220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4554953948160).

3122012231220 is an abundant number, since it is smaller than the sum of its proper divisors (5987895665100).

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

3122012231220 is a wasteful number, since it uses less digits than its factorization.

3122012231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24694 (or 24692 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3122012231220 its reverse (221322102213), we get a palindrome (3343334333433).

The spelling of 3122012231220 in words is "three trillion, one hundred twenty-two billion, twelve million, two hundred thirty-one thousand, two hundred twenty".