122011230120 has 128 divisors (see below), whose sum is σ = 394615549440. Its totient is φ = 30001121280.

The previous prime is 122011230037. The next prime is 122011230137. The reversal of 122011230120 is 21032110221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122011230120.

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, 1419985 + ... + 1503455.

It is an arithmetic number, because the mean of its divisors is an integer number (3082933980).

Almost surely, 2^122011230120 is an apocalyptic number.

122011230120 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 122011230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197307774720).

122011230120 is an abundant number, since it is smaller than the sum of its proper divisors (272604319320).

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

122011230120 is a wasteful number, since it uses less digits than its factorization.

122011230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84435 (or 84431 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122011230120 its reverse (21032110221), we get a palindrome (143043340341).

The spelling of 122011230120 in words is "one hundred twenty-two billion, eleven million, two hundred thirty thousand, one hundred twenty".