122020222021200 has 720 divisors, whose sum is σ = 463913910645120. Its totient is φ = 29602199531520.

The previous prime is 122020222021183. The next prime is 122020222021231. The reversal of 122020222021200 is 2120222020221.

122020222021200 is a `hidden beast` number, since 1 + 2 + 20 + 202 + 220 + 21 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 160501174 + ... + 161259626.

It is an arithmetic number, because the mean of its divisors is an integer number (644324875896).

Almost surely, 2^{122020222021200} is an apocalyptic number.

122020222021200 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 122020222021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231956955322560).

122020222021200 is an abundant number, since it is smaller than the sum of its proper divisors (341893688623920).

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

122020222021200 is a wasteful number, since it uses less digits than its factorization.

122020222021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758596 (or 758582 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122020222021200 its reverse (2120222020221), we get a palindrome (124140444041421).

The spelling of 122020222021200 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty-two million, twenty-one thousand, two hundred".