122442400000 has 216 divisors, whose sum is σ = 313023355848. Its totient is φ = 47769600000.

The previous prime is 122442399977. The next prime is 122442400021. The reversal of 122442400000 is 4244221.

122442400000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 116624982016 + 5817417984 = 341504^2 + 76272^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32798134 + ... + 32801866.

It is an arithmetic number, because the mean of its divisors is an integer number (1449182203).

Almost surely, 2^122442400000 is an apocalyptic number.

122442400000 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 122442400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156511677924).

122442400000 is an abundant number, since it is smaller than the sum of its proper divisors (190580955848).

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

122442400000 is an frugal number, since it uses more digits than its factorization.

122442400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 122442400000 its reverse (4244221), we get a palindrome (122446644221).

The spelling of 122442400000 in words is "one hundred twenty-two billion, four hundred forty-two million, four hundred thousand".