3120112020220 has 96 divisors (see below), whose sum is σ = 7246902479040. Its totient is φ = 1121301657600.

The previous prime is 3120112020199. The next prime is 3120112020271. The reversal of 3120112020220 is 220202110213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3120112020194 and 3120112020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542424 + ... + 2556256.

It is an arithmetic number, because the mean of its divisors is an integer number (75488567490).

Almost surely, 2^{3120112020220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120112020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3623451239520).

3120112020220 is an abundant number, since it is smaller than the sum of its proper divisors (4126790458820).

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

3120112020220 is a wasteful number, since it uses less digits than its factorization.

3120112020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014015 (or 2014013 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 3120112020220 its reverse (220202110213), we get a palindrome (3340314130433).

The spelling of 3120112020220 in words is "three trillion, one hundred twenty billion, one hundred twelve million, twenty thousand, two hundred twenty".