122112220220120 has 64 divisors (see below), whose sum is σ = 296838709352640. Its totient is φ = 44942612774400.

The previous prime is 122112220220027. The next prime is 122112220220129. The reversal of 122112220220120 is 21022022211221.

It is a super-2 number, since 2×122112220220120² (a number of 29 digits) contains 22 as substring.

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 = 122112220220092 and 122112220220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112220220129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377380391 + ... + 377703830.

It is an arithmetic number, because the mean of its divisors is an integer number (4638104833635).

Almost surely, 2^{122112220220120} is an apocalyptic number.

122112220220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112220220120 is an abundant number, since it is smaller than the sum of its proper divisors (174726489132520).

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

122112220220120 is a wasteful number, since it uses less digits than its factorization.

122112220220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755084556 (or 755084552 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122112220220120 its reverse (21022022211221), we get a palindrome (143134242431341).

The spelling of 122112220220120 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty thousand, one hundred twenty".