122443209800 has 108 divisors (see below), whose sum is σ = 288587456955. Its totient is φ = 48314171520.

The previous prime is 122443209761. The next prime is 122443209827. The reversal of 122443209800 is 8902344221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 68621993764 + 53821216036 = 261958^2 + 231994^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247430.

It is a super-2 number, since 2×122443209800² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 539397287 + ... + 539397513.

Almost surely, 2^122443209800 is an apocalyptic number.

122443209800 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 122443209800

122443209800 is an abundant number, since it is smaller than the sum of its proper divisors (166144247155).

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

122443209800 is an equidigital number, since it uses as much as digits as its factorization.

122443209800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 122443209800 in words is "one hundred twenty-two billion, four hundred forty-three million, two hundred nine thousand, eight hundred".