340131222120 has 128 divisors (see below), whose sum is σ = 1029775680000. Its totient is φ = 89870714880.

The previous prime is 340131222083. The next prime is 340131222169. The reversal of 340131222120 is 21222131043.

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, 7289665 + ... + 7336175.

It is an arithmetic number, because the mean of its divisors is an integer number (8045122500).

Almost surely, 2^340131222120 is an apocalyptic number.

340131222120 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 340131222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514887840000).

340131222120 is an abundant number, since it is smaller than the sum of its proper divisors (689644457880).

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

340131222120 is a wasteful number, since it uses less digits than its factorization.

340131222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47083 (or 47079 counting only the distinct ones).

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

Adding to 340131222120 its reverse (21222131043), we get a palindrome (361353353163).

The spelling of 340131222120 in words is "three hundred forty billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty".