122240422000 has 80 divisors (see below), whose sum is σ = 296160508800. Its totient is φ = 48799699200.

The previous prime is 122240421983. The next prime is 122240422001. The reversal of 122240422000 is 224042221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122240422001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957961 + ... + 1078039.

It is an arithmetic number, because the mean of its divisors is an integer number (3702006360).

Almost surely, 2^122240422000 is an apocalyptic number.

122240422000 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 122240422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148080254400).

122240422000 is an abundant number, since it is smaller than the sum of its proper divisors (173920086800).

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

122240422000 is a wasteful number, since it uses less digits than its factorization.

122240422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120611 (or 120595 counting only the distinct ones).

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

Adding to 122240422000 its reverse (224042221), we get a palindrome (122464464221).

The spelling of 122240422000 in words is "one hundred twenty-two billion, two hundred forty million, four hundred twenty-two thousand".