122112020012220 has 240 divisors, whose sum is σ = 441810670150080. Its totient is φ = 27655251434496.

The previous prime is 122112020012209. The next prime is 122112020012239. The reversal of 122112020012220 is 22210020211221.

It is a happy number.

122112020012220 is a `hidden beast` number, since 1 + 2 + 211 + 20 + 200 + 12 + 220 = 666.

It is a super-2 number, since 2×122112020012220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122112020012193 and 122112020012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 48159609 + ... + 50631728.

It is an arithmetic number, because the mean of its divisors is an integer number (1840877792292).

Almost surely, 2^{122112020012220} is an apocalyptic number.

122112020012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112020012220 is an abundant number, since it is smaller than the sum of its proper divisors (319698650137860).

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

122112020012220 is a wasteful number, since it uses less digits than its factorization.

122112020012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98791474 (or 98791463 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122112020012220 its reverse (22210020211221), we get a palindrome (144322040223441).

The spelling of 122112020012220 in words is "one hundred twenty-two trillion, one hundred twelve billion, twenty million, twelve thousand, two hundred twenty".