122203407400 has 192 divisors, whose sum is σ = 305176896000. Its totient is φ = 45406233600.

The previous prime is 122203407331. The next prime is 122203407479. The reversal of 122203407400 is 4704302221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32182302 + ... + 32186098.

It is an arithmetic number, because the mean of its divisors is an integer number (1589463000).

Almost surely, 2^122203407400 is an apocalyptic number.

122203407400 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 122203407400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152588448000).

122203407400 is an abundant number, since it is smaller than the sum of its proper divisors (182973488600).

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

122203407400 is a wasteful number, since it uses less digits than its factorization.

122203407400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 122203407400 its reverse (4704302221), we get a palindrome (126907709621).

The spelling of 122203407400 in words is "one hundred twenty-two billion, two hundred three million, four hundred seven thousand, four hundred".