122200310120 has 96 divisors (see below), whose sum is σ = 320018613480. Its totient is φ = 41873932800.

The previous prime is 122200310117. The next prime is 122200310143. The reversal of 122200310120 is 21013002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107808468964 + 14391841156 = 328342^2 + 119966^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 122200310095 and 122200310104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3709562 + ... + 3742358.

Almost surely, 2^122200310120 is an apocalyptic number.

122200310120 is a gapful number since it is divisible by the number (10) 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 122200310120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160009306740).

122200310120 is an abundant number, since it is smaller than the sum of its proper divisors (197818303360).

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

122200310120 is a wasteful number, since it uses less digits than its factorization.

122200310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34723 (or 34712 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 122200310120 its reverse (21013002221), we get a palindrome (143213312341).

The spelling of 122200310120 in words is "one hundred twenty-two billion, two hundred million, three hundred ten thousand, one hundred twenty".