3122031301220 has 48 divisors (see below), whose sum is σ = 7060751425728. Its totient is φ = 1152724295040.

The previous prime is 3122031301189. The next prime is 3122031301231. The reversal of 3122031301220 is 221031302213.

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 = 3122031301192 and 3122031301201.

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, 14686127 + ... + 14897193.

It is an arithmetic number, because the mean of its divisors is an integer number (147098988036).

Almost surely, 2^{3122031301220} is an apocalyptic number.

It is an amenable number.

3122031301220 is an abundant number, since it is smaller than the sum of its proper divisors (3938720124508).

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

3122031301220 is a wasteful number, since it uses less digits than its factorization.

3122031301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267980 (or 267978 counting only the distinct ones).

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

Adding to 3122031301220 its reverse (221031302213), we get a palindrome (3343062603433).

The spelling of 3122031301220 in words is "three trillion, one hundred twenty-two billion, thirty-one million, three hundred one thousand, two hundred twenty".