122342000400 has 480 divisors, whose sum is σ = 449198154240. Its totient is φ = 31606848000.

The previous prime is 122342000383. The next prime is 122342000423. The reversal of 122342000400 is 4000243221.

122342000400 is a `hidden beast` number, since 1 + 223 + 42 + 0 + 0 + 0 + 400 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60835395 + ... + 60837405.

It is an arithmetic number, because the mean of its divisors is an integer number (935829488).

Almost surely, 2^122342000400 is an apocalyptic number.

122342000400 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 122342000400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224599077120).

122342000400 is an abundant number, since it is smaller than the sum of its proper divisors (326856153840).

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

122342000400 is a wasteful number, since it uses less digits than its factorization.

122342000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 122342000400 its reverse (4000243221), we get a palindrome (126342243621).

The spelling of 122342000400 in words is "one hundred twenty-two billion, three hundred forty-two million, four hundred", and thus it is an aban number.